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  • Most Users Ever Online Is On November 15, 2011 @ 7:57 pm

Night portrait photography basic skills

January 14th, 2012

Night portraits are more difficult one, because the need to take into account the foreground and background exposure to normal, but also taking into account the prospects of people how to make clear pictures of the impact. Indeed, this is the most tourists in the night when visiting one of the problems encountered. Especially when using the camera’s automatic shooting, shooting to open the Dell Inspiron 1545 battery replacement flash, so that people get away from the camera closer to the correct exposure, but due to the limited scope of the camera flash with the exposure time is short, making the already extremely brilliant eye view The camera becomes a dark night in the piece.

This is because the distance of the night when shooting long exposures need to be in the photo on the left of normal exposure, while the characters near the flash exposure because only a short exposure time on it. So the best time to shoot using the camera’s manual, will slow the shutter, and forced open the flash photography. After the flash recommended flash characters to maintain the original position until the end of exposure, so it will shoot all the characters and the background normal exposure night photos. However, TOSHIBA PA3331U-1BRS battery replacement manual camera, night portraits are not the patent, some advanced digital cameras that have automatic fool Night Portrait shooting mode, this is to use slow shutter, compulsory flash this principle to set up.

Need to use when shooting a fixed camera tripod, because the long exposure of the background needed to keep the camera stationary, then a tripod becomes a necessity.

Before shooting, who first made clear to the subject, the flash of a bright, does not mean that filming is completed, the need to maintain the original position and the position does not move until they were told to change or leave. Flash flash Yes, the shutter curtain, the curtain is reached before the end of the window film, a sign of power, but this time not yet reached the film after the IBM ThinkPad R51 battery replacement curtain window (with synchronous shutter time).

Only be reached after the curtain closed position through the window film exposure until the end. Results mirror shutter, the shutter open at the same time full of shining moments flash, but flash after the shutter has not yet closed. As the Night Portrait exposure time is often required in about 1 second or longer, flash flash, there are still a long time the shutter is still open to experience night light, if the subject moves, the former being covered The Background section will face the camera, to sensitive, so the photo was taken, portrait is part of a transparent or translucent. Therefore, before the shutter is not closed, the subject should remain intact.

4.2, night landscape photography

IBM ThinkPad T60 battery replacement Night is the night shooting landscape photography. The more words for the night more beautiful cities at night is really fitting, the city that never sleeps with rich colors, bright lights, this night’s shooting has become a subject of photography. Although the camera is difficult shooting night, but we can rely on the LCD screen exposure timely prosecution case, by adjusting the color temperature for more satisfied with the color, so for the night shoot digital camera provides great convenience. Many digital cameras offer high-end P (automatic), A (aperture priority), S (shutter priority), M (manual) exposure shooting modes, in addition to most digital cameras offer scene modes, the most common model is the night mode and macro mode two, there are some digital cameras offer a wealth of scene modes in more detail, or even get in the evening, night shooting mode and other HP probook 4510s battery replacement functions.

Mode through the night under normal circumstances these can be achieved satisfactory results, for the most novice digital camera to take night shot of this approach is the easiest way possible and with the protection. Shooting night scenery, a tripod is not a dispensable. When the camera tripod, use a slower speed you can shoot out the light car lights to draw the international scene or crowd flow.

Of course, in order to achieve the best artistic effect, the evening hours of dusk lanterns afterglow can be effectively separated from the outline of the building, showing a good sense of depth. The pursuit of artistic effect in the same location photographers will use the techniques of secondary exposure, exposure time that evening, Dell Inspiron 9400 battery replacement after dark, a variety of lighting, decorative lights on after the exposure time, this technique should be noted that during the two exposure camera can not move, each exposure should take half the amount of exposure.

For example, the first exposure to a certain aperture values ​​measured need 1 / 60 seconds, then shooting with 1 / 30 sec, the second exposure, measured need 1 / 4 seconds, when the shooting scene only 1 / 8 seconds. In addition the use of white balance is very important, choose a different white balance, will directly affect the color photographs and mood expressed. Generally speaking, do not select the automatic white balance, this will affect the natural color of light, so that feeling of loss of specific color temperature. If you are shooting the city at night, then in general we will use the Tungsten (incandescent light) white balance, white balance with this closer because HP laptop battery lighting effects. Of course, this is not absolute, depending on the environment.

Of course, a bolt. Now that would like to have fun in the 51 photographers will do a good job playing all kinds of weather to prepare to cope with, or to blame when a variety of weather to a surprise attack, disrupt our photography program that wasted time is really good holiday too sad the. Therefore, preparation before in the 51 to prepare, no matter what kind of weather, blue skies or storm, can not stop us from pressing the Sony laptop battery replacement shutter of the index finger.

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Vehicle maintenance - the summer to prevent car hot cold

January 4th, 2012

In recent years, the summer when the car ignition incidents have seen in newspapers and magazines, many people think that only the hot temperatures, spontaneous combustion vehicle accidents will occur, in fact, in the summer rain, the car will be because of short circuit caused by spontaneous combustion, which Dell 312-0625 battery should Speaking from the car cause spontaneous combustion.

Professionals, the ambient temperature is not the main cause of spontaneous combustion caused by car, the car is usually spontaneous combustion ignited the former case, the general and circuit failures. Some of the old car, the chassis wires will be the status of aging, will be filled with grease on the Dell Studio 1735 battery engine, once the spark hit oil, it is easy to cause a fire; and some new cars will be modified to be automotive electronic circuits involving the modification, if the installation of power too much sound or light, it is very easy because of short circuit caused by spontaneous combustion.

In order to prevent spontaneous combustion, professionals recommended to do the daily vehicle inspection, periodic cleaning of dirt on the engine. In addition, in the event of difficulty in starting or Dell Vostro 1700 battery car body appear abnormal sound, smell, the owners need to immediately turn off, parked the car in sheltered shade, and wait for the professionals to go, and taking, the owner can not be free to open the front case cover, so as not to encourage the fire.

Summer tire because the tire pressure high? Not necessarily, low tire pressure will burst, many owners are aware of such a common sense, one summer, with the road surface temperature, tire pressure is easy to rise, so summer tires to adjust the tire pressure lower than the spring . Once the HP pavilion dv6000 adapter tire pressure is too high, it is easy to accelerate tire wear, causing a puncture. Many car owners may not know that once the tire pressure is too low, a large area of ​​friction tire for a long time, will cause the tire sidewall bending and breaking, causing a puncture accident. Therefore, professionals point out that the summer just the right tire pressure is critical to prevent the HP omnibook xe3 battery car flat tire, the tire pressure is reduced in summer about 10% of the amount of control in the most appropriate.

In order to prevent puncture, professional advice, to reach the limit of tire wear to be replaced, usually regular four transposition can also be to balance the front and rear wheels for wear. The long drive, especially in open high-speed, vehicle owners best regular breaks in order to achieve the tire and automotive parts cooling purposes. In addition, traffic on the way if you suddenly encounter a puncture accident, the dell inspiron 6000 adapter owner should make every effort to control the vehicle, using the shift or hand brake, etc. slow down, pull off the road tire on their own or wait for rescue.

Antifreeze summer do not have access? Wrong, is not only used for antifreeze antifreeze, and in many car owners have the concept of antifreeze in the winter only need low temperatures to prevent the TOSHIBA PA3634U-1BAS battery car engine and water tank does not freeze. One summer, many vehicle owners often use ordinary tap water instead of tens of dollars a bottle of antifreeze, antifreeze actually do not know is not only used antifreeze.

Professionals, not only the chemical composition of antifreeze in the low temperature, high temperature performance is also very good, close to the boiling point of 200 degrees Celsius. And high-quality antifreeze with corrosion features, if tap water instead of antifreeze, then a lot of mineral water will be evaporated in the heat formed scale, thus affecting the radiator cooling. Compared with water, Sony VGP-BPS9 battery antifreeze is better able to protect the tank, extending engine life.

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The dangers of car carbon

December 6th, 2011

1, when the adhesion of carbon into the exhaust valve when the door closed so lax as well as intake and exhaust leak, the pressure drop inside the engine cylinder, the engine is a direct consequence of activation of the difficulties, there jitter idle condition; also affect the mixture into the combustion chamber cross-section, carbon can absorb some of the mixture, thereby reducing engine power.

2, when the adhesion of carbon in the cylinder, piston, it will reduce the Dell LATITUDE D800 Battery pack combustion chamber volume (space) increase cylinder compression ratio, when the compression ratio is too high, it will cause the engine early ignition (solid engine knock), reducing motive power .

3, when the adhesion of carbon deposition in the spark plug, the impact of the spark quality; not even flash.

4 When the coke formed between the piston rings, it will easy to get stuck piston rings, cylinder wall caused by burning oil and strain.

5, when the adhesion of the carbon oxygen sensor, the exhaust gas oxygen sensor is not correctly perceive the situation, can not correctly adjust the air likelihood ratio, so that the Dell Inspiron 1501 battery pack engine exhaust excessive.

6, when the carbon in the form inside the intake manifold, so that the internal becomes more rough, affect the formation of flammable mixture and concentration.

Fifth, the prevention of coke in the coke in the car repair diagnosis has always been a problem, so if the owners themselves to tell whether there is even harder to produce coke, its a problem and then repair as preventive measures, with daily means to maintain the vehicle maintain the normal use of JVC BN-V107 Battery energy. Here are a few carbon reduction and prevention methods generated.

1, filling high-quality gasoline.

Gasoline impurities such as wax and gum formation of coke is the main component of gasoline so high cleanliness trend of the formation of coke on the weaker. Unfortunately, the quality of our country’s gasoline is still relatively low compared with Compaq Presario CQ60 battery pack developed countries, only crude. Grade does not mean we should pay attention to quality, that’s 97 more than 93 oil is not necessarily less impurities, oil octane label represents, and can not represent the quality and cleanliness.

Some owners in order to ensure the cleanliness of gasoline, will be used to add fuel to gasoline cleaner approach. This will effectively prevent the formation of coke on the metal surface layer results, and have gradually activated carbon particles gradually remove the original to protect the engine from damage. However, the addition of gasoline detergent must be careful, if you join the counterfeit products will be the opposite effect.

2, do not travel long idle

Idle for a long time, the engine reaches normal temperature, time becomes longer, gasoline is sprayed into the valve back on after a slow evaporation rate, carbon deposition is also a result. Often idle while driving, the IBM THINKPAD R31 battery pack air flow into the engine also small, so the role of carbon erosion also become weak, will promote the deposition of carbon.

3, multi-speed running, try to improve my hand speed shift car.

Multi-purpose high-speed running is to use air to the inlet to prevent scour produce coke. In addition, to improve the speed of shift is also run with more speed has the same purpose, the JVC BN-V25U Battery original shift in the speed of 2000 into 2500 when the conversion is not only effective in preventing coke formation, but also can improve the car’s power, but also to avoid the shift vibration caused by blasting speed is too low to protect the engine.

Due to the city’s traffic, and the pace of life of people in China fuel market conditions and other factors, the above method to avoid the coke produced may not be easy to implement. It is recommended that car owners in the regular maintenance of the conditions are met for every 20,000 to 40,000 km of free time to do some demolition clean intake system, that is, non-disintegration of the Compaq PRESARIO V2000 battery pack engine under the premise of methods with special equipment, special vehicles into the air Road, valves, oil and so easy to clear the site of the formation of coke coke operation. This can effectively reduce the impact of carbon on the engine to make the car “heart” in the best condition.

Sixth, the benefits of carbon removal

1, to enhance the car horsepower.
2, to save fuel consumption.
3, reduce detonation point.
4, to promote environmental conservation.
5, extending engine life.
6, to enhance braking accuracy.

Tip: Depending on vehicle usage, coke formation are different, the general cleaning options mileage 30,000 — 40,000 km to do a cleaning. Sony VGP-BPS5 battery pack Coke is not terrible, scared that we can not afford to govern it.

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How to maintain solar water heaters

November 16th, 2011

Solar water heaters placed in the roof, wind, sun, rain, in addition to their normal work and installation of quality-related, but also to withstand long-term natural climate, frequency of use are inseparable, ignore it if the quality and regular maintenance, some adverse factors could cause water pollution, can lay hidden for the user’s health. What factors will cause contamination of water supplies solar water heater?

As the water tank is the result of solar water heater storage tank, the IBM Thinkpad T41 battery pack heat converted into hot water and supply the user, so the water heater’s internal and external quality affect health of the key. Solar water heater tank with aluminum, aluminum alloy, stainless steel, quartz glass and other materials, stainless steel is superior to other aluminum, angle iron, color-coated steel and other materials, water quality and better insulation, less prone to scale, rust. According to experts, solar water heating is the second water, water savings be used only after a period of time. Typically, sent from the city water tap, are subject to stringent purification and disinfection, water quality in line with our “drinking water standards,” but, after the water output from the water, into the EN-EL19 Battery pipe network to the various users in the process , it is possible to re-contamination. Such as pipes, tanks and domestic water wall are the closest contact with the site, the wall paint will directly affect the quality of water, if the solar storage tank Mifengbuyan, aluminum or iron tank rust , raw algae, it contains water-soluble toxic ingredients, and even carcinogenic ingredients into the water and causing pollution of water.

HP Compaq NC6400 Battery pack Pipes because pipes the material directly affect the quality of drinking water, for the protection of human health, national health standards must meet the requirements of “drinking water distribution equipment and protective materials safety evaluation requirements”, so easy to traditional cast iron pipes rust, have been eliminated, replaced by a plastic pipe, the current rigid PVC (PVC-U) is mainly used for urban water supply, drainage and buildings, drainage and other pipelines. As we all know, solar water heaters use a plastic water piped hot water, so water pipes must have a high temperature, cold-resistant, anti-aging, non-toxic and tasteless high standards. However, many unscrupulous manufacturers and even industrial and living waste material produced foot pipes. As a result, the failure of plastic water pipes hot water through solar water heater “erosion” in the pipeline after the release of organic matter by heating and dissolved in water, such as residual dichloroethane can enter through the skin and esophagus the human body, short-term exposure to skin, eyes and respiratory tract irritation, HP Pavilion dv1000 Battery pack central nervous system and may cause lung damage, prolonged or repeated contact may cause dermatitis, may be the liver, kidney, and mucous membranes play a role; its residual vinyl chloride can stimulate short-term exposure eyes, prolonged or repeated contact may be the liver, blood vessels and play a role in connective tissue, causing chronic diseases.

The country now has solar water heater manufacturers have more than 4,000, some companies are cottage, the user of solar water heater is broken can not find people to repair, small businesses do not become the industry standard source of risk.

Solar water heater maintenance

When installing water heaters, HP EliteBook 6930P Battery pack water pipes may be contaminated with dust or oil odor within the first turn on the tap can be used to rule out debris.

Water heater in the water in, water quality should be based on regular local emissions, drainage time, optional low temperature in the morning when the collector.

Heater surface, the amount of dust by region and for regular smear, can play a self-cleaning when it rains to keep the surface clean and available water heater high collection efficiency.

Continuous sunny hot water when not in use for several days, the water temperature is high, please open the cold water when in use, then open the hot water to avoid burns.

Tap outlet usually has a filter device, pipe scale debris within the COMPAQ Presario CQ70 Battery pack network will be gathered, should be removed regularly self-cleaning, can increase the water flow smoothly.

Solar water heater every two to three years on the need for cleaning, inspection, disinfection, users usually can do some yourself disinfection, such as chlorine disinfectants can buy some water to pour into the mouth, let it soak for some time , then release, HP EliteBook 8530P Battery pack can play a disinfection and sterilization effect (using disinfectants, please carefully read the description, and note the amount).

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Wrong Car Maintenance Methods

November 25th, 2011

Vehicle use and maintenance, there are some false belief, false belief is these low levels in the automotive manufacturing, repair, backward, lack of testing means the formation of long-term era. The false belief sometimes seems to be correct, it is not true, great harm will be the vehicle damage, personal security is threatened, but is more likely that this laid the accident risks, or cause vehicle performance, accelerated wear and tear, shortened sony vgp-bps5 laptop battery life expectancy.

1 Remove the engine thermostat blind

If the HP laptop batteries engine temperature is high due to the blind removal of the thermostat, the cooling fluid can be a cycle, can not adjust the cooling intensity, it is difficult to ensure that the engine temperature in a more appropriate work, but often in the engine to work under low temperature, resulting in decreased engine power , accelerated wear, increased fuel consumption. If the engine thermostat failure repair or replacement, the engine temperature is higher, it should be in other parts of the cooling system overhaul, NIKON en-el12 camera battery can not remove the thermostat.

2, high engine temperature fear fear low

Some people think that driving high afraid afraid of low engine temperature. In fact, the engine temperature is low is also a great danger. Should be used according to instructions provided for automobile traffic at normal temperature, in order to ensure the life of the engine.

3, the better the water pump fan belt tightening

Belt tightening is not possible. Belt too tight to stretch or break not only shorten the life of the belt, but also because of excessive tension, causing the CANON np-e3 camcorder battery generator shaft, pump shaft and bearing the bending deformation of early damage. Automotive engine fan belt tension should meet the technical requirements, the normal deflection of the belt assembly 10-15mm is appropriate.

4, the engine idle temperature with

With the idle temperature, due to low speed, the oil pump can be quickly pressed into the lubricating oil the surface, oil is also low, so the engine moving parts or semi-dry friction friction mode of operation; fuel for low temperature poor atomization, so that unburned fuel (mixed gas) into the crankcase, the oil film on the cylinder wall washed out, will accelerate the mechanical wear and tear. So, after a few seconds the engine starts, the application of fast idle temperature (in modern cars have a dedicated fast idle device, machine temperature rise, it will automatically adjust to the idle state), to improve Dell KM958 laptop battery engine lubrication.

5, with the torch at the end of baking oil

The end of winter oil-roasted with a blowtorch, not only will the oil additive in chemical changes, loss of the original performance, but also to oil cement, oil at the end of deformation, can cause fire. The best approach is based on selection of local winter minimum temperature compatible oil. In areas where conditions permit, it is best to heat the vehicle parked in a garage facilities.

6, rather high not to low tire pressure

Some people like to charge Dell W953G laptop battery too high tire pressure, fuel-efficient but also that this can overload. This is not correct. Tire pressure is too high, then the ground will reduce tire wear increase, but also easy to puncture. Tire pressure is too high, so the tire friction coefficient decreases, reducing the braking effect when braking, increasing the amount of slip measurements (especially in rain and snow on the road), the road safety cause greater harm. Not a good tire pressure is too low will cause the tire shoulder wear, discount tires, fuel and so on. The standard should be marked on the tire inflation pressure, Dell XPS M1210 laptop battery inflation pressure is generally in the standard ± 5% is more appropriate.

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Computer repair — CPU failure

November 1st, 2011

CPU is an important computer accessories, is the heart of a computer. It is also highly integrated parts, high reliability, the normal use failure rate is not high. But if the installation or improper use may bring a lot of unexpected trouble.

The IBM ThinkPad R51 battery CPU is more about failure to judge, CPU problems, under normal circumstances can not boot the system without any response, that is, press the power switch, chassis no Ren Heming horn sounds, no display on the display, if this phenomenon, We suspect that this phenomenon may be related with the CPU, CPU fault processing ideas are as follows:

A, CPU is being burned, crushed

Open the case inspection, remove the Acer bt.00803.004 battery fan, check out CPU and CPU with the naked eye if there were burned, crushed traces. Now using the ceramic package CPU, core (such as P Ⅲ copper, AMD Duron, Thunderbird, Athlon, etc.) is very delicate, when installing the fan, a little attention, it can easily be crushed. Another HP Pavilion dv7 battery phenomenon is the CPU for damage to a broken foot. Now both the Duron / Thunderbird / or P Ⅲ / P4, Socket architecture are used. Pins directly into the CPU via the CPU socket on the motherboard, although known as a “zero insertion force” slot, but the quality is not good if slot, CPU insertion resistance is still very large. We should pay attention to the removal or installation of the CPU to maintain balance, especially pre-installation check for bent pins should pay attention, do not blindly for the beat or pull, or it may break the CPU pins.

Second, the fan is running correctly

CPU is running correctly and the Compaq PRESARIO V3000 battery CPU fan a great relationship. Measure the fan a failure, then it may cause the CPU to be due to high temperature burn. Usually make, we should not ignore the CPU fan maintenance, such as in the case of low temperatures, fan oil prone to failure, resulting in noisy operation, and even fan broken, then we should clean up the fan removed and refueling.

Three, CPU installation is installed

Note that check if the CPU into place, especially for the use of slot Slot CPU (such as P Ⅱ and the old P Ⅲ); installation is easy to install in place, now the CPU has a positioning measures, but still check the HP Pavilion DV9000 Battery CPU socket lever is fixed in place .

Fourth, the jumper, voltage settings are correct

Especially in the old hard-jumper on the motherboard, a little note on the possible inter-related parameters of the CPU error. Therefore, installing the HP Pavilion dv6 Battery  CPU, we should be careful News correspondent motherboard manual carefully and check the motherboard jumpers are properly matched with the CPU, when the number of motherboards have too much money now can automatically identify the type of CPU, then the CPU FSB, multiplier and voltage, set the item to “Auto” jumper setting.

Five cards with the Debug

Debug Card can be read off the address within the SOH POST CODE, and decoding by the decoder, and finally by the digital display. This card can be displayed on the Debug hex code to determine the problem of internal parts is not CPU, rather than rely solely on the computer’s HP Compaq 6510b Battery motherboard that several more monotonous sound of a warning sound to thick to thick report to determine the hardware error.

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Storage battery emergency starts

October 4th, 2011

Encountered no electricity or battery failure of the starter motor, this time you need to take emergency starter.

Starting cart

Starting cart is the most familiar and most effective method of emergency start, but may not have a means, not often used because it has some engine and clutch damage, automatic transmission vehicles, especially to avoid using this method start. Cart starter usually takes two or more people, if only one person would be difficult to implement the driver starting. Safety: first of all to observe the location of the battery for Dell INSPIRON 700M road parking is suitable for carts start, can help improve the speed downhill, uphill if the car is in front, then move the cart will be tired, it is difficult to improve the speed, so it should be turned the car down slope direction of the cart. Try not to road vehicles and pedestrians, carts and more start-up, start the vehicle after the driver avoid undue strain unexpected. Slowly Parking: drive before the vehicle ignition switch should be open, to a considerable speed, it will block the transmission link into two, then quickly release the clutch pedal and fuel. Once the engine starts, depress the clutch pedal to be fast, while controlling the throttle, let the engine stalled, and then slowly stop.

Car power to borrow it

When the battery runs low, the vehicle can start this way. The two cars close enough until the jumper cable to connect two battery positive and negative. Two cars to be taken to ensure that no contact, use only with adequate carrying capacity and the cable with insulated jacket. If the battery for Dell Latitude E6500 provides power in a convenient mounting location on the vehicle directly across, you must use tools to remove the battery. Identified two positive and negative battery, use a cable to the positive and cathode, anode and cathode were connected together. To note the positive and negative battery must not be mistaken, but also to secure the cable connection. Good layout of the cable to prevent the start or the fan belt when the cable rubs. Turn off the car all ancillary electrical equipment, where the starting battery to provide power for vehicles, so the engine is running a few minutes to ensure sufficient power. Then start the normal way radio vehicle, starting after the light step on the accelerator pedal should make the engine run a few minutes to speed 2000r/min. Two cars off the ignition switch, carefully remove the cable, taking care to avoid touching the positive and negative cable connector.

Starting traction

Starting traction methods and battery for HP EliteBook 8730W principles and cart starting similar, the difference is much more car traction is often the easy way effort. Use the appropriate length of the traction rope, and two strong binding. Traction before the front and rear driver should make sure good contact signals, such as starting and stopping is the whistle signal or gesture to indicate, for coordination. Should slow start. In addition to the driver before the vehicle after the vehicle movements should be noted, it should also pay attention to road traffic conditions. After the car after the driver starts the vehicle in time to indicate the vehicle in front, two cars near the on-street parking should be slow.

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Notebook drive maintenance points

October 13th, 2011

As the size constraints, coupled with certain aspects of the various manufacturers use different standards or architecture, making the notebook drive manufacturing costs than a replacement HP 416996-131 battery desktop drive is high, so the original laptop drive in general is quite expensive, however, laptop optical drive is a very delicate components, coupled with the high frequency: watching DVDs, software and other equipment has to spend it, life is relatively limited. Therefore, many business-to-drive components of the warranty period is much shorter than the other parts. In fact, affect the life of the main drive is the first laser, the laser head life often represents the drive of life, so we want to extend the drive life, how to do this? Specifically, we want to do the following:

1, keeping drives, CD-ROM cleaning. CD-ROM drive uses a very sophisticated optics, and optical components are most afraid of is dust pollution. Dust from the CD into, out of the whole process, the disc is clean on the drive’s life expectancy is also directly related. Therefore, the replacement HP Pavilion dv7 battery CD-ROM into the drive should be made before the necessary cleaning, do not use the CD to take proper care to prevent dust contamination.

2, regular cleaning and maintenance of laser head. Drive after a period of time, the laser head is bound to infected dust, so that the reduced ability to read the disk drive. Specifically read the disk performance slow down, display pictures and sound as a mosaic or pause, in severe cases can frequently hear the drive reading the disc sound. These phenomena on the laser head and the drive motor and other components are damaged. Therefore, users on a regular basis for cleaning and maintenance on the drive or for a professional replacement Dell Latitude E6500 Battery maintenance.

3, the drive to maintain the level of placement. In the process of using the machine, place the drive to maintain standards. The reason is that the disc in the rotation center of gravity changes due to imbalance, a slight decline in the ability to read the disk when you can, in severe cases may damage the laser head. Some people use a different drive to install software on machines, often used to remove the drive take, or even carry, which is very damaging to the drive. The harm is within the CD-ROM optical components, laser head tilted due to vibration and changes, resulting in drive performance.

4, to develop a set off in time to take the habit. Once inside the replacement JVC BN-V408 battery CD-ROM drive, not only when the computer starts to have a very long load times, and has been in a high-speed CD-ROM will also be rotating. This will not only increase the working hours of the laser head, but also to drive the motor and transmission components in the wear state, virtually reducing the drive’s life. The user is to develop a time before the shutdown remove the disc from the drive the habit.

5, reducing the drive time. In order to reduce the use of drive time, to extend its life, the use of computers to allow users in the case of hard disk space, CD-ROM can be made of frequently used virtual CD stored on the hard disk. Such as educational software, games, software, etc. stored in the hard disk, so that later can be run directly on the hard disk, and have fast speed.

6, less of pirated discs, the use of genuine replacement NIKON EN-4 battery CD. Many of my friends because the price of pirated CDs and CD prices have a genuine gap between rich and buy with CD-ROM to use, based on China’s national conditions, which is beyond reproach, but because of your long-term drive to read pirated discs, because of its poor quality disc , required repeated laser to read data. This increased the motor and the laser head working hours, thereby greatly reducing the drive’s life. Currently the price of genuine software has been greatly decreased, and some only slightly more expensive than the pirated software and Universal laptop battery CD-ROM drive with protection. It is recommended that you minimize the use of pirated optical discs in the future more than the use of legitimate discs.

7, the correct opening and closing plate box. Either drive, front panel has a button box and shut case, the use of the right of this button switches the conventional method of optical replacement SONY NP-FV100 battery disk cartridges. Button when the finger is not too much force, to prevent the keys out of control. Some users have used bare hands to push back plate box, which drives the drive gear is damaged, it is recommended to overcome this bad habit.

8, the use of the program on and off disk box. Use of program switch plate box, or multimedia player in many software tools have this feature. If the Windows right-click the CD drive letter, and its pop-up menu also has a “pop-up” command, you can eject the disc box. Users are advised to make use of software-controlled opening and closing plate box, which can reduce the incidence of drive failure.

9, careful maintenance. As the HP Pavilion dv6 Battery drive all the components are very sophisticated, user CD-ROM drive installed in the open and the process must pay attention to ways and means to pay attention to the fixed position of the original record. If you are not sure, it can ask a professional maintenance staff disassembly and repair. In particular, laser aging and need to adjust the drive to increase laser power supply, be sure to ask a professional maintenance staff to debug, to prevent their own adjustments too large, making the laser burn.

10, as little as possible discs. This avoids a long drive to work continuously for a long time to read the disk drive, a great influence on the life drive. User will need to regularly broadcast the program, it is best to be copyed hard to ensure that the drive longevity. If you do often see DVD, PC CD-ROM problems FAQ it is recommended to buy a cheap low-speed drive specifically designed to play VCD.

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Eight misunderstanding of notebook battery maintenance

October 21st, 2011

1: Laptop bought requires repeated three times to activate the battery charge and discharge.
   
Unless you buy a laptop is more than one year of product inventory, otherwise not necessary, because the battery cell when the factory had already been activated, and the batteries in laptop battery package into when they go through a rather to activate the test, so you get the hand of the HP Pavilion ZV6000 battery, had already been activated, and do three charge-discharge process is unnecessary to increase battery consumption. Myth: The first charge must be sufficient enough for 12 hours.

2: The first charge must be sufficient enough for 12 hours
   
This early who do not have the battery control circuit of the nickel-metal hydride battery model is applicable, but now with intelligent charge and discharge control circuit for notebook battery is a joke, when the laptop battery is fully charged, the charging current will be automatically cut off , even if you continue to charge 120 hours, the state would not be any change, in general, even the slowest machine charge, 6 hours is completely filled, the rest of the “charge” is just a waste of their time. Instead, get a new machine when it should shine first rechargeable battery.

3: The battery needs to be calibrated regularly once a month and complete charge and discharge.
   
Strong memory effect for nickel-metal hydride battery, which is necessary, but for the lithium laptop battery, the cycle is too frequent, and lithium, although not completely eliminate the memory effect, but has greatly reduced the memory effect, if you use the battery is frequently, then you should discharge the battery to the relatively low (about 10 ~ 15%) recharge, but if the discharge to the machines they can not even (0-1%), it is for lithium batteries have a greater depth of injury discharge , in general, once every two months this operation on it. If you rarely use the battery, then every 3 months as long as the first such operation on it.

4: The correction can improve the battery capacity
   
The so-called correction, when the HP EliteBook 8530p battery ’s actual capacity and the control circuit when the record is not the same capacity, the battery charge and discharge operation of a depth so that the control circuit record, bringing them closer to the actual situation of the battery, which is a manifestation of the true capacity of the battery operation rather than enhance the capacity factor here is the actual battery capacity, if the actual battery capacity than the capacity of the control circuit to a record high, the correction can make the battery appear to increase the capacity, if the battery’s actual capacity than the control circuit the capacity to record low, the correction will reduce the battery capacity looks, which is why many people are debating the reasons for correction effect, remember that the true correction is to make the battery capacity is presented, eliminating between battery and control circuit bias, as demonstrated by the capacity will increase or decrease, this is the state of the battery itself, rather than determined by your correction. Correction is likely because the battery discharge when the depth of the damage, but greatly reduced capacity.

5: compatible charger can also be used
   
Notebook power consumption is much larger than mobile phones, the most extreme circumstances, the Dell Inspiron Mini 9 battery power required to charge the battery while the machine running at full speed and to cope with the required power supply, generally do not have compatible laptop charger, because the various models of voltage, current, or even interfaces are different, can be common to a variety of notebook “compatible charger” is likely more expensive than the original charger, even if the same interface, if the voltage and current is lower than the nominal value of the machine, the machine working at full speed when the battery may not be able to obtain sufficient charge current, which is a great damage to the battery. If the voltage and current much lower than the nominal value, and even found it impossible to boot or will boot but will not charge, so choose the best power to choose when and wife the same, I can not find it, please note that a certain voltage and current to comply with the nominal value of the machine, the interface with the plant’s different products are generally the same, but the Compaq Presario m2000 Battery voltage and current may be different, be sure to pay attention to this point!

6: The battery needs to be charged (or put photovoltaic) to save
   
Whether it is full or shine, they are actually not correct, put long-term preservation photoelectric batteries will lose their activity, and even lead to the control circuit protection self-locking and can no longer use the full power of long-term preservation will bring security risks, the best method of preservation is to discharge to 40% and then save, lithium fear humidity and high temperatures, so should be placed in a cool dry place, but the temperature is not too low, otherwise the capacity will be greatly reduced, about 20 degrees Celsius is the ideal storage the temperature.

7: the battery die, you can also change their own batteries
   
Many people change the battery is so deadly, some manufacturers seem to do so long expected, and many brands of laptop batteries are designed with self-locking function, once the Compaq Presario r3000 Battery out of the control circuit, the circuit enters the self-locking state, Only the use of specific tools in order to solve, before the control circuit will not work, that is equivalent to scrap batteries, laptop batteries batteries are not free to change the batteries, you have to change batteries if not, please remember to find a special battery maintenance company to do the job, his trouble for small waste, but also that after the failure of efforts to frustration and depression is the most miserable.

After the charge has been less than eight ninety-nine% 100% charge will continue to explode
   
Laptop battery is almost no chance of explosion, which led up to the issue of heat to melt shell, but rarely cause fire, was released a few incidents, the fact is, when the production process bad, cause a short circuit in the use of lead, even if this Most species will be short-circuit the battery protection circuit in the circuit will not disconnect greater damage, except in the protection circuit before the batteries short-circuit (COMPAQ laptop battery before the time of the explosion was so caused should be), so I come in contact with things in the notebook more than three years, only seen two cases. Instead, a lot of things like mobile phones, after all, or the quality of the battery problem, the phone has a large number of low-quality assembly of the battery, while the laptop is almost never sold such a battery, because there is no model which has a large enough to warrant produce compatible battery.
   
The reason why, after charging to 99% less than 100%, often because the battery control circuit of the record and the state of the battery itself, the deviation, the battery has not reached the record of the voltage control circuit, so the power control circuit has been charged, the battery actually already full, this problem can usually be resolved through correction, but even without correction has nothing to do, because most of the HP Pavilion zv5000 Battery charging circuit will not be filled in automatically after a long time off, or even smart record automatically refresh the current 99% to 100 %, even if the design has been kept a fool, but also because this time the current is very small and will not cause harm.
   
The current laptop batteries are basically the temperature detection circuit, when the battery temperature is too high, the control circuit will usually be forced disconnect the battery to prevent further temperature rise, so the charge to explode in such a situation occurred in notebook computer batteries no less chance of winning the lottery jackpot.
   
No matter how scientific maintenance measures, the battery will always be aging, like how the magic of cosmetics and beauty care has become an old woman can not stop, just slow it up, the only way to avoid aging of the battery is not used (so many people Choose the digital camera battery down), but this laptop yet so meaningless … … the battery is always used as the length of time and aging, is actually a consumable, for almost all of the manufacturers of notebook computers regardless of host how long the warranty, the battery usually only guarantee for one year.
   
If you care to do is place to be used once a week the battery is approximately one year remained in 60% to 70% capacity, probably my own battery is the case, if you really think looking increasingly haggard battery You are the kind of torture, the best method is to take down not, and pray do not kick the plug or power outage, or is it to buy one as a backup, as long as the battery and notebook in order to bring Dell Laptop AC Adapter enough value and happiness, I think they The sacrifice is worth it.

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The guide to use notebook power supply

August 9th, 2011

Standard mainstream laptop’s power supply system includes rechargeable battery and external DC power supply. In the case of the AC power, usually using an external DC power supply for laptops, its features and general desktop use there is not much difference.

1 rechargeable battery

Laptop power supply HP touchsmart tx2 battery system is its flexibility and stability of the fundamental power system including power adapter, rechargeable battery and power management systems. Power adapter is used to connect an external power supply and battery recharging, and the laptop battery is also reflected an important aspect of portability. Most laptops now use lithium battery-powered, usually lasts about 3 hours or more, to meet the general needs to go to work.

2 charging tips

Bought a new fully charged battery at least once a power, then power exhausted, before the first official use of the second charge. When the notebook computer using AC in the room when it is best to remove the battery, so it is often a state of charge. Best off charging laptop, the battery is fully charged, do not unplug the power drop in the charge. Charging is completed, should be used within 30 minutes. Also note that the periodic charge and discharge the general charge and discharge at least once a month.

Notebook power saving settings

Energy-saving settings include setting the HP Pavilion dm3 battery BIOS to set the energy saving mode and the Windows operating system, and the latter should take precedence over the former.

1 set of energy-saving options in BIOS

Most of the CMOS one [PowerSavings] option, optional [MaximumBatteryLife] or [MaximumPerformance] (default) and so on. Set energy-saving option, mainly set by the [1dleMode] (free) access to [StandbyMode] (standby) of the [StandbyTimeout] time and by the [StandbyMode] into the [Suspend Mode] in [SuspendTimeout] (sleep) time.

Laptop power saving mode IdleMode, StandbyMode and SuspendMode, these settings have been able to regulate power consumption, mainly in the computer into power-saving state, in a timely manner without the use of the system shut down some of the equipment. Sleep state, in addition to turning off the display and hard drive, you can also save the contents of memory to disk, shut down the entire computer system to maintain the basic state. Once activated, or restart the computer, the desktop will be properly restored to the state before sleep.

Laptop PhoenixBIOS the majority. Different BIOS settings may be somewhat different HP pavilion dv7 battery energy should carefully read the screen prompts.

2 set of energy-saving options in Windows

In the Windows Help file [management hardware and software] under the theme of two laptop computers with energy-related content: [energy management] and [use of portable machine] in [the power management on laptops]. Energy-saving options before setting up Windows, you should read them.

In the Windows [Control Panel], double-click [Power Management] icon to open the [Power Management Properties].

The [Power Schemes] to [portable / Teng-top] and reasonable arrangements for [the system to wait], [close Monitors] and [Turn off hard disks] and other options. The computer can choose different options there are some differences, a detailed set of functions should be based on the computer itself and Windows Help files.

If you need to completely run out of dell inspiron 1545 battery power, instead of looking for other ways to discharge, in the [Power Schemes] drop-down box, select [Always Open] option in the [system waiting] and [close Monitors] drop-down box select [Never] option. You can also let the computer automatically runs some of the computational complexity of the 3D demo program, so you can quickly use the remaining battery power.

Remedy improper battery charging

I have a IBMThinkpad390/262650C notebook, due to the usual charge and discharge properly, combined with nickel-hydrogen battery, a memory effect the battery discharge time only less than 5 minutes. After some effort, I found in the IBM home page on a program, with its magic to save the battery discharge time is almost restored and new.

IBM introduced the site to download the TP390/390e/390x series battery refresh program, which is a DOS self-extracting program. Prepare a formatted floppy disk and reliable quality, then do the following.

1 Restart your computer, press F8 key to start the multiple choice menu. Choose safe DOS mode, enter the directory where the file you just downloaded. Executive isbr01.exe, read the warning required to insert a floppy disk, press Enter to start the self-extracting process.
2 Restart your computer with this floppy disk, display Startingpc-dos. Note: The above action by the AC power supply.
3 Follow the prompts to unplug the HP Pavilion dv6000 battery AC power supply, the program automatically on the Ni-MH battery discharge until the machine automatically shut down, said the discharge has been completed. Tip: Do not see the 0% on the end of the operation, but also be careful not to remove the floppy disk.
4 Let the battery cooling, and then plug in the AC power supply, floppy disk again to restart the computer. Autoexec.bat automatically refresh program prompts whether to continue. Click the Yes button, then press Enter. Quickly returns to the DOS prompt A:>, that has been completed.
5 Turn off the computer, but does not disconnect the AC power, ensure that the battery charge until the power light turns green so far.

Above Dell inspiron 1501 battery process was repeated three times to get the best results.

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