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For the Home Repair category

Nov 15

The six errors to use oil

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In the specific use, many users of oil such errors.

Myth one: oil is less “burn oil”

Moderate consumption of automotive oil is normal and Sony laptop battery inevitable. As long as the engine is running there will be oil consumption, oil consumption is to maintain the normal operation of the engine necessary, the engine will not cause harm. The user must pay attention to regular checks of engine oil fluid level, note the oil pressure warning light level. If you find the oil liquid level below the minimum level, it is timely to add oil.

Myth: Check the oil situation should be done only when maintenance

Check the condition of the vehicle should develop the habit in time. Shanghai Volkswagen developed the IBM laptop battery maintenance cycle is based on normal driving conditions the car developed. For more severe conditions of use of vehicles, some work must be carried out between the two maintenance cycles. Relatively common taxi vehicle idling for a long time, frequent stop / start, low speed, more likely to cause an increase in oil consumption, so more attention should be checked in time, add the oil.

Myth: The oil consumption of the engine problem

Factors that affect a lot of engine oil consumption. If the viscosity of oil, fuel quality, vehicle initial run of good or bad, right and the engine idling time, driving habits and length, these factors will result in different levels of oil consumption. But even if the normal use of low-grade BP-827 battery oil is also difficult to achieve proper function of engine oil, engine oil consumption will result in significantly increased.

Myth: Oil gauge than oil exploration, the engine has no oil in the

Yellow alarm when the oil (with engine oil level alarm models) or when the oil gauge than oil exploration, it shows that the oil has reached the remaining vehicles can not meet the needs. Pavilion tx1200 battery Oil temperature is too high to prevent performance degradation caused by oil, need time to add oil, but this time the engine oil pan, there are still a lot of oil. If PASSAT1.8T car, when the yellow dashboard warning oil exploration or oil gauge than oil, in fact, still in the engine lubrication system holds about 2.5L oil.

Myth: the equivalent of adding oil when doing oil changes and maintenance

Add oil and oil changes are two different concepts. Add TOSHIBA PA3465U-1BRS battery oil in oil consumption reaches a certain level of hours. The replacement of oil in the engine only when regular maintenance. In vehicle mileage or running for some time, due to all causes overall decline in the performance of oil, the engine can no longer be a reliable guarantee of good operation and normal life, but must take comprehensive measures to replace the engine oil.

Myth: When adding oil how much, how to add insignificant

Should be based on need to add oil dipstick to determine when and how much to add. Oil level height of the oil should be kept between the scale of the MAX and MIN. Oil level more than MAX, not only will excessive oil consumption, there will be damage to catalytic devices, then the need to reduce PA3534U-1BAS battery oil. When the oil level below the MIN may result in poor lubrication of the engine, then you need to add oil.

Nov 08

Computer failure caused by the CPU Problems

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CPU can not start cause poor contact

A compatible computer can not start. Fan is running, CPU temperature is not high, also tried replacing memory, can not solve the problem.

Borrowed from a friend’s computer a similar configuration, with the substitution further troubleshooting. Replacing the INSPIRON 510M battery CPU, the machine starts normally, run the test program three hours did not exhibit unstable behavior, I thought it was its own CPU damaged. However, my computer has been on the normal functioning of the CPU fan, CPU has not overclocking, there is no reason to burn the CPU, so my CPU feels that she inserted in a friend’s machine. After all the normal boot, run very stable.

This is strange, CPU and motherboard, no problems, but I can not deny me this motherboard the original CPU. So carefully observed two CPU, but did not seem to find anything different. Then all of a sudden see the pins on the CPU has a slight clip marks. Then think, is not due to the CPU socket and CPU pin caused by poor contact between the fault. But CPU socket 478 feet, bad feet which it? Consideration to a friend’s piece of CPU can run properly on my machine, this bad should be relatively minor and, therefore, my inspiron 1545 battery CPU into the CPU socket, and press down gently on the CPU socket wrench, when the feeling of pulling With some resistance when inserted CPU, the CPU forcibly from the outlet (there is a certain danger in this action, attention socket wrench can not be held down tightly, pulling up the CPU when the vertical force, or bent CPU pins is very troublesome a) Repeat several times, and then reload the CPU, fan wear, boot, everything is normal.

Failure Analysis: As the CPU pins are gold plated, but according to Intel’s requirements, CPU sockets also need gold, because gold conductive properties, resistant to oxidation, so the CPU and the socket is not prone to poor contact between the case. But with the intensification of price competition in the market, there are a lot of the CPU socket on the motherboard and not plated or gold-plated thickness less than the required thickness of Intel, so in use, over time, inspiron 6400 battery CPU socket is easy to produce a layer of oxide layer between the CPU and socket appear bad, cause the machine to crash and so on. The method I use is the CPU socket pin with the friction, thereby undermining the oxide layer on the socket, so you can make contact between the CPU and socket changed for the better as far as possible.

However, this method is always a temporary solution, so in the purchase of computer to buy a quality motherboard is a good way to once and for all. Also we need to note is that when the suspect CPU socket is bad, do not use descaling liquid, because liquid generally have some rust corrosion, as well as some of the electrical conductivity, so the indiscriminate use of liquid may cause rust your NP-BG1 battery motherboard completely destroyed.

CPU temperature is too high causing crash

The author is a certain brand of computer service engineer, recently dealt with a lot of frequent crashes computer failure. After diagnosis, most recent of these failures caused by the CPU temperature is too high.

Symptoms and maintenance: to a Lenovo Chamberlain 4540, for example, the configuration is P4 1.7GHz, 256MB DDR, 40GB hard drive, 56Kbps cat, the user of repair that will not boot time crash. The first user in the morning arrived at the testing, pager about half an hour, did not find fault.

The next day the user repair the same fault again, the second is at noon to the user’s home and found the user describes the failure. According to the LP-E6 battery description and user maintenance of environmental differences between the two, I think the problem may be due to temperature, the first reason did not find fault, because that day the morning temperature is lower. To confirm this judge, I first downloaded from the Internet a product called “SpeedFan” motherboard temperature software and found that crashes when the CPU temperature as high as 62 ℃. I open the case, the first clean up a little dust on the motherboard, and then split down the CPU fan, the dust is also found in many of the above, using a screwdriver to separate the heat sink and fan blades, and then after they were washed with water, then paper drying, and baking with hot hair, and finally the heatsink and the CPU core contact point where silicone coated after installation reboot the temperature, reducing CPU temperature found for a whole 8 ℃.

We know that when the CPU occupancy rate when the temperature will naturally increase as a result, we can calculate a large number of tasks to improve CPU utilization methods to test the CPU temperature is too high, if they can successfully complete the test, then the same NP-BD1 battery CPU temperature can be ruled out due to computer crashes assumptions.

To ensure stable operation of the user host, I downloaded “Superπ” software, running 4.19 million calculated on the CPU test, until the calculation is complete, found no anomalies. This is from the failure, apparently due to the dust cause the CPU cooling fan performance degradation, leading to the CPU temperature is too high, eventually causing a crash from time to time the phenomenon.

Fault Summary: Recently the weather heats up, my friends if you encounter a similar phenomenon may wish to consider starting with the temperature can often locate the fault quickly. In addition, the use of software on the computer hardware pager testing, but also can often be a Nikon D300 Battery Grip multiplier effect.

Sep 19

HP Laptop Monitor with Little Weaknesses

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When converting a DVD with Nero, the device had to clear the ASUS give my girlfriend (i5 460m) hit, was ultimately not surprising, it was already written that the inspiron 1545 battery CPU power of the A6 is more likely to compare with the i3.There will be people who have no TV and do everything on the HP pavilion dv5000 battery. I belong to those same people also. As I’ve assembled on my PC about 5 months I wanted above all a “good” screen and not necessarily something very big.

In normal operation, the device is pleasantly quiet, but even a YouTube video gives the fans are pretty active – which somehow seems even with the fan controller HP Cool Sense tool does not properly work with the Dell Inspiron 1501 battery AMD CPU together.I decided at that time for the Dell 2209WA with 22 “IPS panel. In and of itself a really great monitor. But since I too many movies on your HP pavilion dv5 battery watch, my Dell was sometime just too small and I wanted something bigger.

You may need to monitor the work mainly of pictures and even watch the Blue Ray and play (preferably FPS). I’ve already looked at both and personally think that the HP has more saturated colors, but Presario CQ60 battery very precisely reflected.Maybe you can convince me yes or at least lead in one direction.Prices in the 27-30 “range are at resolutions of 1920×1080 and better panels unfortunately astronomically high. That’s why I ultimately chose me for this consumer product.

Worth mentioning is also that at least my unit at 30% brightness completely silently.The Auleuchtung I would describe as good to very good. At the lower edge is distinguished from a very slight halo.The higher current consumption. I measured it.Powered PC with the Samsung 226BW vs 22-he.  Presario V2000 battery is switched on with the HP 2710m. I can live with. There are definitely not specify 135 watts of total consumption But do not compare with what I’ve seen on other displays. I have uploaded a picture to show the illumination.What I find really disturbing is the lack of  LI-30B battery ergonomic features.

When the battery life I can get by with medium brightness and Wi-Fi enabled nearly 3 hours without power supply. At the foot is only one joint is to tilt the display. You can rotate a screen, of course, ultimately, always, but a real turntable is not in the foot. A height adjustment was not available in vain, though possibly one of the most useful BN-VF815 battery of all. In addition, there is no USB port, a feature that I’ve learned to appreciate my Dell very quickly.

Sep 05

How to Fix Computer Power Supply Problem

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If you have little knowledge of the inner workings of a computer, it can seem complicated. When it stop working, you might think there is nothing you can do. There are a variety of problems that can occur, some of which are major software problems. Many people have experienced the frustration of turning their THINKPAD A30 battery computer on and seeing that blue screen of death. But what if you turn your computer on and nothing happens at all? This could be one of many computer power supply problems! The question is however, what can you do?

Computer power supply failures are common since the power supply gets heated during computer operations and the often plugging and unplugging of power cable . A power supply ThinkPad R52 battery problem could also damage the motherboard and the CPU (which are usually costlier). Some problems in the power supply can be fixed, but it is important to recognize signs of  major power supply unit failure and replace it before it causes further damage.

How to troubleshoot and fix power supply problems

1. When you switch on the computer, if the ThinkPad T61p battery CPU LED does not light up and there is no sound of the fans starting, the mains power supply may not be reaching the power supply unit. Check if the spike guard sockets are working properly.

Also check if  the power supply cable is loose on computer. If it is loose, fix or plug it properly

2. The power supply may fail to operate if the motherboard is not connected to the power supply. Check if all the connectors are plugged in properly.

3. If  the computer case becomes very hot when you switch on the VGP-BPS8 battery computer, switch it off  immediately. There could be a problem with the earthing or supply voltage. This problem could damage your CPU (it will get burnt).  Try to connect the computer to the output of  a good quality UPS like APC. Get the earthing checked, because an earthing problem could also damage your hard disk.

4. If your computer is not kept in an air-conditioned environment and if the case heats up after the computer is on for some time, you can try to solve the problem yourself. Check if the PCGA-BP2V battery power supply fan is functioning properly, by putting your hand behind the power supply. If there is no air circulation, the fan may not be moving.  After some time, the power supply will have a lot of dust accumulated on it. You can use a fine paintbrush or a air blower to remove the dust and the fan will usually function properly.

5. If a external laptop battery computer is used for many hours daily, the electronic components of  a power supply may fail. When a computer hangs or keyboard stops working suddenly or the computer restarts randomly, these could be a sign of  a gradual power supply failure. Since power supply PA3384U-1BAS battery units are cheap, it is advisable to replace it with a new unit, preferably of higher rating.

6. A laptop should work without a battery when it is connected to the mains power supply. If it does not work, either the power supply cable is loose or there is a problem with the mains adapter.

Business Info:

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Sep 05

How to Fix Computer monitor display screen problems

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The monitor,screen,adapter or display of a computer is the primary user interface. Monitor problems are some of  the most common computer problems since the voltages inside a monitor can be as high as 10 KV. Many of the problems can be fixed yourself by simply changing the settings  but in a few cases you may have to either replace or repair the monitor.

How to troubleshoot and fix XPS M2010 battery computer monitor/display problems

1. The monitor/display flickers
Check the refresh rate. If  the refresh rate is 50 Hz/ 60Hz (depending on which country you stay), it can be affected by interference from electrical power signals like those from fluorescent lamps . Increasing the  refresh rate to 72Hz is recommended , since higher refresh rates reduce eyestrain and headaches

2. The display works fine initially, then after some time there are black lines on the D6400 battery screen and then the display disappears

There is a problem with the copper windings in the CRT monitor which are getting heated. It is better to replace the monitor

3. For a new monitor, you get a blank screen or distorted image.

Many monitors, especially KM958 battery LCD monitors, can only handle resolutions which are less than the native resolution, so set the resolution at the native resolution only. The native resolution of a LCD display is lower for smaller LCD screen sizes, typically 1024 X 768  for 15″ LCD. CRT monitors have a better resolution than LCD displays

4. The display on the monitor is not steady

This is a result of power system interference from users of the power grid, particularly 1691p battery UPS, power tools and heavy machinery. Try changing the position of the monitor.

5. There is a shadow on the images on the display
Try reducing the contrast setting on your Vostro 1400 battery monitor.

6. Monitor becomes blank occasionally

Could be a problem with the display card, check with another monitor. The monitor display cord and power cable should be fixed properly and there should be no loose connection.

7. Dark Spots on the Screen.

Move speakers,USB modem  and other magnetic devices away from the monitor.

8. Incorrect Colors – red may become dark brown, blue becomes Latitude D505 Battery purple.
Check your video cables and connectors for bent or broken pins and wires. Sometimes there may be a problem with your display card, which can be retuned using a software available with monitor technicians.

9. Run Antivirus to scan corrupt software files.Virus cause distorted characters and images.

10. Set your monitor/display pixels to the software requirements. some softwares require higher pixels to run or to be displayed. some media players, web applications, inspiron e1505 battery video games applications and photo editors/view softwares have option to view photos on low or high quality

Good News:

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Aug 28

Removing Iphone screen scratches

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Having trouble removing scratches from that tough as nails screen? There is a way, but it takes a lot of elbow grease.

step 1 About the phone
The iPhone, different from the ipods has a glass screen on the front to aid in scratch resistance. One way to do this is to temper the glass. While making this incredibly hard and scratch “resistant,” it makes it practically impossible to remove the scratches with anything you would think would polish it. Brasso does not work, Scratch remover for cars do not work.

I have the new iPhone dell xps m1730 battery and it is certainly a wonderful toy. You protect it but somehow something scratches the front. Perhaps you left your keys in the same pocket, or you put the phone face down on a table or surface where there happened to be sand, or some other abrasive on it. Regardless of what caused it, it is a debeautifying mark that needs to be removed. I will detail the process of removing the scratch. I did not take photos during the process but it is not complex, just time consuming.

step 2 What you need – Scratchy Surface
(Asterisk Means Optional)
Water
Clean, New rag.
*New hard Felt buffing wheel, or one that has only been used on glass.
1200 grit wet dry sand paper
*1600 grit wet dry sand paper
Cerium Oxide (more about this later)

With dell inspiron 6400 battery harder surfaces you need to figure out what kind of scratch it is. Is it a deeper scratch, or was the surface simply scuffed? To find this out, run your fingernail over a cleaned screen and if you can’t feel it, go on to step 4. If you can feel it, you cannot simply polish it out. You must go into the danger zone and put sandpaper on your phone and give it a good rub down.

step 3 Dont call me Sandy.
This step is if you can feel the scratch with your fingernail. If not, go to step 4.

First, take a piece of your 1200 grit and cut it into a small square about the size of the pad of your finger. Get it wet with water and then locate the Dell INSPIRON 700M battery scratch on the face of your iphone. Begin sanding off the scratch.

The reason I call this the danger zone is because of something that can happen to glass when you sand it called lensing. It will create a slight concave in the glass which effectively does the same thing as glasses do for your eyes. It bends the light. However, the screen is not out of focus so this is bad bad bad. To remedy this, go slowly. Make longer strokes and use moderate pressure. Let the sand paper do its job. You don’t want to dig out the scratch.

Keep the area wet. Do not worry about water getting into the iphone, there is a rubber gasket around the edge of the screen. However, you want to keep water away from the home button and the Dell Vostro 1000 battery speaker. This isn’t difficult as water sticks together so it doesn’t move a lot. Don’t soak the phone, just enough to get the sand paper moving.

Place the square of sand paper over the scratch and just press with the pad of your finger and sand as you would wood (all in the same line.) As you sand, the glass that gets sanded off will make a bit of a paste with the water. As long as it is runny, it is fine. Let it get too thick and you will get nowhere. Keep the sanding area runny.

Keep looking for the scratch, and feeling it with your fingernail. After a while you wont be able to feel it, but you can still see it. Keep going until it is “nearly” gone. Go all the way and you risk lensing the glass.

Once you are done, you should have a very visible scuff on your Dell INSPIRON 510M battery phone. It should only take about 10 minutes to get to this place even if you are really slow. The 1600 grit is nice to use if you want it. It reduces the amount of polishing time dramatically, but I would only use it if you are polishing with a rag. Sand the area the same as before with the 1600 grit. But instead of sanding away a scratch, sand until it feels like you are sanding a smooth surface (about 5 min.)

step 4Polish to a shine
Cerium Oxide is the best glass polish you can get. It is the industry standard for polishing glass windows and especially car windshields. You can get this on ebay, or if you have a friendly local car windshield repair shop you might get some for free. A little of this stuff goes a long way.

Once you get a scratched removed, or deem that it is only a scuff there are two routes to take.

1. Use a rag and work your Dell LATITUDE D600 battery butt off and get tennis elbow. <– What I did.

2. Use a hard felt pad and have it done in a fraction of the time by a machine.

Whatever route you take, you must mix the cerium oxide with water. All you need to do is mix it together with just a little bit of water to make a slurry. Not dry or clumpy, but not runny either. Runny is more usable that clumpy however.

Rag
So now that you have your slurry, you must use it on the phone. With a rag, just fold up the rag and dip it into the slurry and begin working. Work it in a circular motion as well as in lines. This stuff needs a good deal of pressure with a rag, so don’t be afraid to put some oomph into it. It will get warm and dry up from the friction, so keep adding a little bit of water at a time to keep it damp, but not runny.

Find a comfortable position and turn on some trance music to get into a groove and keep going until you want to die. Clean off the Dell Inspiron Mini 9 battery screen with a dry rag and check your progress. Remember, a little goes a long way. You can still use whats left on the rag. Keep going until you are satisfied.

Buffing Wheel
If you are using the polishing wheel, which I would highly suggest the method is much simpler. Just put the slurry on the buffing wheel and put the face of the screen on the buffing wheel. The machine will do all the work and you just need to hold it steady. This will take time too, but not nearly as much. Keep the pad damp so it does not get clumpy.

That’s it. Just keep working on it until the scuffs are gone. You may have to go back with some of the wet dry paper if you are not satisfied. However, usually only deep CANON camcorder battery scratches cause visual impairment. When the screen is on, you do not notice small ones as much.

Aug 21

How To Connect Laptop To TV

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Laptop to TV cable connections are not rocket science. They’re easy and simple. All you need is the proper cable and a few adjustments to your laptop settings.

Cables & Jacks for Connecting Laptop to TV

The first step is to inspect both your Dell Latitude D810 battery laptop and TV and identify the connections, easily located on the back of either component. There are five basic types of jacks, or ports involved:

*Composite/phono plug (RCA)

*S-Video

*Video graphics array (VGA)

*Digital video interface (DVI)

*High-definition multimedia interface (HDMI)

*An RCA connector, sometimes called a phono connector, is used for analog audio and video components. Three round, colored sockets are standard — left audio is white, Dell Latitude X1 battery right audio is red, and composite video is yellow. These are standard jacks on older TV’s and laptops. A three-prong cable, readily available at any computer or electronics, is the easiest way to make an RCA laptop to TV connection.

*S-Video, or Super-Video, a more advanced analog video connector, uses a four-prong round plug, like those used in TV cable installations. Separate audio cables are the same as for the RCA connector, left audio/white, and right audio/red. S-Video is commonly found on older TV sets and some laptops.

With S-Video on both TV and laptop, connecting a laptop to a TV is a simple matter of a single S-Video cable. If your laptop has a great sound system, you won’t need audio cables, but for better quality you’ll also want audio cables.

RCA to S-Video cable, a special laptop to Dell vostro 1220 battery TV cable, is available when you have RCA jacks on one device and an S-Video port on the other.

*A VGA connector and cable are used to carry analog video signals plus display and graphics data. The VGA is a 15-pin connector commonly found on laptops and other devices. With this port you need a PC-to-TV Convertor to connect laptop to TV. You simply plug the VGA cable from the source into the convertor, and use an S-Video or RCA cable out to the TV. The converter is USB powered, so there’s no external power adapter to carry around, making this laptop to TV connection entirely portable.

*A DVI port is rectangular with 24 pins arranged in three horizontal rows of eight pins for digital video; separate RCA analog audio cables fit into white and red plugs. DVI ports are found on Macintosh Dell vostro 1220n battery laptops; sometimes they are smaller than normal DVI ports and require an adapter, which usually comes with the laptop.

*The HDMI port, one-half the size of the DVI port, is also rectangular with 19 pins. It provides digital audio in addition to digital video, despite it’s smaller size, for a complete TV to laptop connection. These ports are found on new HDTVs, and sometimes there are two or more. TVs with HDMI ports are the only ones that do not require additional audio cables.

TV’s with a single digital port labeled HDMI/DVI require only one cable when the source is another HDMI component. But when source is a DVI Dell vostro a90 battery laptop, you need a DVI-to-HDMI cable for the video and a separate pair of RCA analog stereo cables.

NOTE: Whenever ports do not match, you can by adaptors and/or cables to make any connection.

Laptop to TV cable connections are not rocket science. They’re easy and simple. All you need is the proper cable and a few adjustments to your laptop settings.

Cables & Jacks for Connecting Laptop to TV

The first step is to inspect both your laptop and TV and identify the connections, easily located on the back of either component. There are five basic types of jacks, or ports involved:

*Composite/phono plug (RCA)

*S-Video

*Video graphics array (VGA)

*Digital video interface (DVI)

*High-definition multimedia interface (HDMI)

*An RCA connector, sometimes called a phono connector, is used for analog audio and Dell vostro a90n battery video components. Three round, colored sockets are standard — left audio is white, right audio is red, and composite video is yellow. These are standard jacks on older TV’s and laptops. A three-prong cable, readily available at any computer or electronics, is the easiest way to make an RCA laptop to TV connection.

*S-Video, or Super-Video, a more advanced analog video connector, uses a four-prong round plug, like those used in TV cable installations. Separate audio cables are the same as for the RCA connector, left audio/white, and right audio/red. S-Video is commonly found on older TV sets and some Dell inspiron 910 battery laptops.

With S-Video on both TV and laptop, connecting a laptop to a TV is a simple matter of a single S-Video cable. If your laptop has a great sound system, you won’t need audio cables, but for better quality you’ll also want audio cables.

RCA to S-Video cable, a special laptop to TV cable, is available when you have RCA jacks on one device and an S-Video port on the other.

*A VGA connector and cable are used to carry analog video signals plus display and graphics data. The VGA is a 15-pin connector commonly found on laptops and other devices. With this port you need a PC-to-TV Convertor to connect laptop to TV. You simply plug the Dell inspiron mini 9n battery VGA cable from the source into the convertor, and use an S-Video or RCA cable out to the TV. The converter is USB powered, so there’s no external power adapter to carry around, making this laptop to TV connection entirely portable.

*A DVI port is rectangular with 24 pins arranged in three horizontal rows of eight pins for digital video; separate RCA analog audio cables fit into white and red plugs. DVI ports are found on Macintosh laptops; sometimes they are smaller than normal DVI ports and require an adapter, which usually comes with the laptop.

*The HDMI port, one-half the size of the DVI port, is also rectangular with 19 pins. It provides digital audio in addition to digital video, despite it’s smaller size, for a complete TV to Dell Vostro 3700 battery laptop connection. These ports are found on new HDTVs, and sometimes there are two or more. TVs with HDMI ports are the only ones that do not require additional audio cables.

TV’s with a single digital port labeled HDMI/DVI require only one cable when the source is another HDMI component. But when source is a DVI laptop, you need a DVI-to-HDMI cable for the video and a separate pair of RCA analog stereo cables.

NOTE: Whenever ports do not match, you can by Dell Vostro 3500 battery adaptors and/or cables to make any connection.

Jul 29

Software causes computer crashes

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Many computer crashes are not hardware problems, but by many of them are caused by software.

1, viral infection

Viruses are the scourge of computer operations, almost all evil. The efficiency of a computer virus can make a sharp decline, resulting in frequent crashes, data loss, system crash, or even damage the motherboard, hard drive, CPU, and so on. Therefore, the virus is found when we need to use antivirus software such as KV3000, Rising and other good anti-virus software on the computer for a comprehensive virus scanning, anti-virus, and timely updating antivirus software.

2, CMOS settings wrong

The failure is common, such as hard disk camcorder batteries parameter settings, mode settings, memory parameters are set incorrectly, will cause the computer to not start. Features such as non-ECC memory with ECC function is set, this will cause crashes due to memory errors.

3, system files accidentally deleted

Because Windows needs to start a Command, com, Io, sys, MsDos, sys and other documents, if these files were damaged or accidentally deleted, even if all the hardware in the CMOS settings are correct in the case will not help. Workaround: Use the same version of the operating system boot disk to start the computer, and then type ‘SYSC:’, re-transmission system files.

4, initialization files destroyed

Because Windows needs to start reading the System, ini, Win, ini and registry files, if there Config, sys, Autoexec, bat file, both files will be read. As long as there is an error message of these documents are likely to crash, especially the System, ini, Win, ini, User, dat, System, dell laptop batteries dat these four documents is particularly important.

5, the dynamic link library files (, DLL) is missing

In the Windows operating system there is a class file is also very important, which is the extension, DLL dynamic link library files, from the nature of these documents are shared in terms of class files, that is, a, DLL files may be more pieces of software need to call it at runtime. If we delete an application software, the software’s uninstall program will record the files it had installed and ready to delete them one by one, which is prone to be deleted when the dynamic link library files also will be other software used in the case, if the missing link library file is the more important core linked file, then the system will crash, or even collapse. At this time, we can use tools such as ‘Super Rabbit’ on the useless, DLL files to delete, this will prevent accidentally deleted.

6, hard disk space too small or too much debris

Because some applications to run more Sony Laptop batteries memory and hard disk space, if the remaining hard disk space too, when running these applications require large amounts of memory and machine memory is limited, you need to use virtual memory, virtual memory is is provided by the hard disk, so hard to have enough free space to meet the needs of virtual memory. Therefore, we must configure the computer with a larger hard drive, in addition, but also to develop regularly defragment the hard disk, erase junk files in good habits. This will not only avoid the remaining hard disk space is not enough or too much debris and cause crashes, but also make normal operation speed.

7, BIOS upgrade failure

Operator should backup BIOS in case of emergency, but if the computer system needs a BIOS upgrade, then the best before upgrading the BIOS version you are using to determine whether consistent with your PC. If the BIOS upgrade is not correct in the process of upgrading or unexpected power failure, the computer system may not start. So be sure to upgrade the BIOS before the BIOS to figure out the model. If you use the BIOS upgrade tool can backup the current BIOS, the BIOS before it should be a copy on disk. At the same time to see whether the system BIOS support recovery and also to know how to recover external laptop battery pack.

8, improper software upgrade

Most people may think that the software upgrade is not a problem, in fact, during the upgrade process will share some of the components are also upgraded, but other programs may not support the upgraded components, would be the kinds of problems lead to crashes. Therefore, we should pay attention when upgrading the software operation, first upgrade the software to understand the characteristics, performance and possible troubleshooting methods before you upgrade.

9, the abuse of beta software

Many operating software will be the first time officially published some test software to check its reliability and stability of the software running, in order to improve the official publication again when appropriate, therefore, usually with some test software BUG or not enough in certain areas stable, the test version of the software can not be counted as full-fledged software. So, when we are not very knowledgeable on the computer case, the best use of beta software, so as to avoid data loss after using the program error, system crash or other universal laptop battery failure does not start, give yourself unnecessary trouble .

10, uninstall the software illegally

Now that the HP laptop ac adapter computer running the software very much, people often like to download, install and uninstall software, which is not very good. Not to the directory where you installed the software directly to delete, delete if you directly, then the registry and the Windows directory will be a lot of garbage there, over time, the system will become unstable and cause crashes. Therefore, do not really need to download and install the software.

11, the use of pirated software

Today pirated software very much, almost all of the software has been pirated, as these may be hidden in pirated software viruses, once implemented, will automatically modify your system so that the system is running in panic. But if all I am afraid that is not realistic to use genuine software, it can only minimize the use of pirated software, especially software, and some are not used the Laptop Battery pack software price is not high, you do not use pirated software.

Jul 26

Motherboard failure and maintenance basics

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Motherboard is the computer’s key components used to connect a variety of computer equipment, computer plays a vital role. If the board fails, your computer can not properly used. Present a more integrated motherboard, motherboard repair has become increasingly difficult, often using specialized digital testing equipment to complete, but to master the full NIKON en-el5 battery pack board repair techniques for the rapid failure investigation board is still very necessary.

Cause the main board failure

Today, the motherboard components and integrated circuits are many and complex, resulting in relatively high failure reasons. Many common motherboard failure caused by poor environment, but because of quality problems caused by the motherboard itself will be more failures, while some of the problems are caused by human users.

1, bad motherboard operating environment

If the board covered with dust, can cause short circuits the signal. If the power supply is damaged, or transient voltage spikes generated will enable the board to the chip near the power plug is damaged, causing the motherboard failure; In addition, static electricity often cause the chip on the Studio 1555 Battery motherboard (especially CMOS chip) is the breakdown, malfunction .

2, the quality of the motherboard itself

As the chip on the motherboard and other components of poor quality, the use of aging over time will damage the device, causing the motherboard failure.

3, human error

Hot-swap hardware is very dangerous, many motherboard failures are caused by hot, burning the most common is the keyboard, mouse port, there will be severe damage the motherboard. Charged pluggable I / O card, board and plug in installed when the force properly, can result in interface chips and other damage.

Motherboard repair method commonly used

Motherboard failure to determine, usually through progressive removal or replacement of the motherboard is connected to board, first rule out possible problems of these accessories, you can lock the target on the motherboard. Actual maintenance, repair frequently used methods are listed below.

1, observation

Check for foreign objects falling into the motherboard between the components. If less chassis, the conductive material is not accidentally fall into the GP340 battery card between the components on the motherboard, it could lead to “protection fault.” Also, check whether the motherboard and chassis and a small plate installed between the support board for the small studs; whether the motherboard installed improperly or chassis deformation, leaving the board in direct contact with the chassis, so that short-circuit protection of power supply automatically cut off power supply.

Check the motherboard battery: If the computer can not find the right boot disk, boot the system time is incorrect, CMOS settings can not be saved, you can check the motherboard CMOS jumper, the jumper to “NORMAL” option (usually 1-2 ) and then re-set. If the CMOS jumper is not wrong, it is likely because the motherboard battery is damaged or the battery voltage is insufficient, please try another motherboard battery.

Check the motherboard Northbridge cooling effect: some no-name board on the Northbridge heat sink eliminating the need for, this may result in ineffective cooling chip, cause the system running for some time after the crash. When it occurs, can be made of the heat sink installed, add a cooling effect or a good chassis fan.

Check the motherboard capacitors: aluminum electrolytic capacitors on the motherboard (usually around the CPU socket) the internal use of the electrolyte, because of the time, temperature, quality and other reasons, make it happen, “aging” phenomenon, which causes resistance to the CANON nb-2lh battery replacement motherboard disturbance index decreased impact machine to work properly. We can buy with the “aging” of the same capacity capacitor, ready for soldering iron, solder wire, rosin, will be “aging” can be replaced.

Check the motherboard carefully the plug and socket is skew, resistance, capacitance pin is touching the surface is scorched, the chip surface is cracking, the copper foil is blown on the motherboard; touch some of the surface of the chip, if abnormal hot, can for a chip to try; encountered areas of doubt, what with the multi-meter.

2, dust removal method

The larger board is gathering dust and more places. Dust can easily lead to poor contact socket and board, in addition, a number of cards on the motherboard, chip pin form, often because of poor contact pin-oxidation.

Recommended wool brush to gently brush the dust on the motherboard, must be careful not to force too much or too much action, so knocked board surface mount components or cause components to loosen resulting in Weld. Note clear the CPU slot is used to detect CPU temperature, chassis or motherboard to monitor the temperature of the thermistor on the dust, otherwise it will cause the motherboard to the temperature of the recognition errors, which lead to failure to protect the Sony VGP-BPS9 motherboard. If the oxidation is caused by poor contact pin socket can be folded with the hardness of the white paper (smooth surface facing the outside of it), wipe back and forth into the tank; for the card pins can be used eraser to the surface oxide layer, and then re- plug.

3, check whether there are short-circuit board

Should be measured before the power if the motherboard has short circuit, to avoid accidents. To determine is: measuring the power chip resistor between pin and ground. Power plug is not inserted, the resistance should normally be 300Ω, the minimum should not be less than 100Ω. Test-retest about reverse resistance, slightly different, but not too much difference. If the positive and negative or close to the conduction resistance is small, it means the motherboard short circuit occurs.

Cause short circuit board may have damaged the motherboard resistors and capacitors, or a conductive debris, it could be the motherboard has been breakdown of the chip. To find out the breakdown of the chip, you can measure the power supply plug. +5 V en-el9 battery power supply is generally measured and +12 V. When they find a deviation from the standard voltage value too far, you can cut through the separation or some wire, or unplug some chips and then measuring the voltage. When cut a certain wire or unplug a piece of silicon, if the voltage becomes normal, then this leads to the component lead or pull down the chip, is the fault lies.

4, plug exchange

This method can determine the fault is on the motherboard, or the I / O device? Is the same type plug-in board, or chip exchange, and then to prevent the phenomenon of change, to determine failures. It is mainly used to easily swap the maintenance environment, such as memory self-test error, the same interchangeable memory chips or memory to determine the cause of the Universal laptop battery malfunction.

Operation is: first off, then pull out the plug-in board-by-block; pull out a board for each observation on the boot machine running, once pulled out a piece, the board is operating normally, then the plug-in board is faulty, or the corresponding I / O bus slots and load circuit fault; if pulled out all the plug-in board, the system is still not start properly, then the fault is probably on the motherboard.

5, static / dynamic measurement

Static measurements: Let board suspended in a close-up mode, according to the principles of logic circuit or chip output and the logical relationship between input, pen measuring with a multimeter or logic level of the relevant points to analyze to determine the cause of the malfunction.

Dynamic measurement and analysis methods: the preparation of specific programs or man-made assertion normal conditions, the machine is running, observe the components measured with an oscilloscope waveform, and compared with the normal waveform in order to determine the fault location.

As the control logic on the motherboard more integrated, so its logical correctness, has been difficult to determine by measurement. I suggest you first determine the logical relationship between the chip and a simple RC components, and then focus on the logic fault is difficult to determine the large-scale integrated circuit chip.

6, program testing method

This MOTOROLA HT1000 Battery method is mainly used to check a variety of interface circuits, and various circuit parameters with the address is faulty, its principle is to use software to send data, commands, by reading the line status and a chip (such as the register) the state, to identify the fault parts.

To use this method, your CPU and the bus must be running normally, to run the diagnostic software that can run the installation on the I / O bus slot on the diagnostic card. You can use the random diagnostic procedures, special maintenance diagnostic card, or on the basis of technical parameters (such as interface address), self-specific diagnostic procedures to aid in hardware maintenance. However, you write the diagnostic procedures to be strict, comprehensive, targeted to make some KENWOOD th27a battery key parts of the emergence of a regular signal, to occasional failure of repeated testing, can display record error conditions.

Jul 22

Display fault analysis and solutions

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A monitor for a long time, and a variety of small problems would follow. Sometimes way to solve these problems is relatively simple and small, with a pair of eyes can see fault lies.

1, the computer just machines display screen shaking badly, and sometimes even the icons and text is also not clear, but after twelve minutes and then will return to normal.

This phenomenon occurred in wet weather, the NIKON en-el1 Battery moisture inside the monitor’s sake. To solve this problem, the use of food packaging in the damp sand with cotton string together, then open the display cover, will hang in the damp sand near the end of CRT tube seat tube near the neck. Thus, even in wet weather, will not appear more “problems.”

2, the computer is turned on, the display is only heard and not seen the painting, dark. To wait several minutes to appear on the screen.

This is not to monitor the internal moisture, but the leakage due to seat tube, seat tube to be replaced. Is: open the back cover to see the end of the tube a small circuit board, tube socket on the solder on the circuit board. Carefully unplug this circuit board, and then under the tube socket weld, to the same OLYMPUS Li-42B Charger electronics store to buy back a seat tube, seat tube and then welded back to the circuit board. Then install the board not to rush back to first find a small piece of sandpaper 0 #, very carefully after the end of the tube protruding pin wipe clean with sandpaper. With particular attention to pin on the oxide layer, if not clean polished soon relapse. Well, the board back together and you’re done.

3, NIKON EN-EL10 Battery there will always be lingering on the display screen clutter interference or lines, and the speaker also has a nasty noise.

This phenomenon is mostly due to poor power supply interference. If you bother to get involved, you can replace a new power supply. If you have enough ability, you can also try to replace the SONY np-f970 battery power within their own filter capacitor, which often can take care efficiency; if the result is less obvious, can be for the switch down.

4, display Huaping

This caused many HP elitebook 8530p battery problems is the graphics card. If it is new for the graphics card, the card may be of poor quality or incompatible, then there is not yet installed the correct driver. If the old card and added memory, then there may be new graphics and added to the original model parameters vary due to memory.

5, the display has two vertical black belt edge

This PANASONIC cga-s007 battery phenomenon occurred relatively early in the computer, this is because video memory is not due. Earlier computer graphics memory is only 1M, if the resolution is set too high, then the above-mentioned phenomenon. To resolve this problem, to install on the graphics card memory, in such cards usually left on the socket with the added memory.

6, display a black screen

Black for many reasons. If the NIKON Coolpix P90 Battery card is damaged or broken monitors and other causes no signal to monitor, the display light will stop flashing prompt no reception. If the resolution is set too high, more than the maximum display resolution will be made of black, severe destruction of the display, but now the display has a protective function, when the resolution exceeds the set value is automatically protected. In addition, hardware conflicts can cause a black screen.

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