The black screen of the computer is a hardware problem

Graphics card problem If it is an onboard graphics card, it is a fault with the motherboard If the motherboard power supply to the graphics card is insufficient, the above situation may also occur, and check the graphics card and memory slots, clean up the dust.

The black screen seems to be related to the driver.,But there's a saying that this is a common problem with this book.,But my problem seems to have been solved after reinstalling the driver.,At least this is three days in a row, my computer has been open all day and there is no black screen problem for the time being.。 It is recommended to install the pure version of XP and install the driver by yourself, and the driver installation involves order problems, so it is recommended to install the driver by yourself.

The above is my personal experience, I can't guarantee that it will help you solve the problem, but I still hope it can help you.

In this case, the integrated graphics card is connected to the northbridge chip, and it may be the air welding of the northbridge, which needs to be welded.

It may be a power supply problem, try changing to a high-watt brand-name power supply.

It may be that the memory module is loose, you unplug it and plug it in again.

Suggestion Direct 12315 He will fix it for you quickly.

Reason with them and tell them to change it, hum, it's too bullying!

This is what I've done before, take a look!

It is recommended to try reinstalling the graphics card driver. There are many reasons that can cause your screen to shake or flicker. Try the following:

1。The monitor refresh rate is set incorrectly. If the refresh rate is set too low, it will cause the screen to shake.

The check method is to right-click on the empty area of the system desktop and click the "Properties" command from the pop-up context menu.

A black screen is a common phenomenon, especially on older computers or builds. There are many reasons for the failure of a computer black screen, such as a damaged monitor, a damaged motherboard, a damaged graphics card, a poor contact of the graphics card, a damaged power supply, a damaged CPU, etc.

1) The monitor is powered off, or the monitor data cable is in poor contact. In addition, the computer has been used for a long time, and the power cord of the monitor is easy to oxidize and break;

2) There is no power supply to the motherboard;

3) Poor contact or damage to the graphics card;

4) Poor CPU contact;

5) Poor contact of memory modules;

6) Machine infection.

CIH virus, BIOS

is destructively refreshed;

7) Check the plugging and unplugging, if necessary, you can use a rubber to remove the oxide film on the gold finger;

8) If the floppy drive has a floppy disk, many times it will cause the computer to turn on or restart, and the computer will have a silent black screen and cannot enter the system. To avoid such situations, it is also possible to cancel the floppy disk boot item in the BIOS.

For the treatment of the black screen of the computer, the method of eliminating and replacing is basically adopted, and the principle should be based on replacing and eliminating the most suspicious parts first. For ordinary computer users, professional knowledge is insufficient, you can follow the following steps to analyze the cause of the failure, so that you can do it yourself.

Start by checking that the contact is good. Check whether the contact between the graphics card and the monitor is good, and whether the contact between the graphics card and the motherboard IO slot is good, and if necessary, remove it and reinstall it again to ensure that it is installed in place and in good contact.

If there is no problem with contact, it is best to try a different monitor to make sure that the monitor is fine.

If there is no problem with the monitor, check whether the CPU fan is running, if it is running, use a multimeter to measure whether the voltage output is normal to 12V, 15V, if not, you can change the power supply to give it a try.

If the black screen still appears, take out the components installed in the computer, leaving only the CPU, graphics card, and memory sticks, and the cause of the fault can be limited to the CPU, motherboard, and memory. Generally, if there is a fault in the memory, there should be an alarm. If the memory fault is ruled out, only the CPU and the motherboard are left.

Change to a normal CPU (should be compatible with the tested computer), boot the computer and re-test, if the black screen still appears, you can only change to a motherboard, and the problem should also appear on the motherboard.

A black screen failure may indicate that the computer has a more serious problem, and you may wish to eliminate it according to the above methods when the black screen phenomenon occurs. In the process of treatment, the method of exclusion and substitution should be flexibly applied, and the phenomenon that occurs in a timely manner should be excluded. gg

1) The monitor is powered off, or the monitor data cable is in poor contact. In addition, the computer has been used for a long time, and the power cord of the monitor is easy to oxidize and break;

2) There is no power supply to the motherboard;

3) Poor contact or damage to the graphics card;

4) Poor CPU contact;

5) Poor contact of memory modules;

6) The machine is infected with CIH virus, and the BIOS is refreshed destructively;

7) Check the plugging and unplugging, if necessary, you can use a rubber to remove the oxide film on the gold finger;

8) If the floppy drive has a floppy disk, many times it will cause the computer to start or restart, and the computer will have a black screen and cannot enter the system. To avoid such situations, it is also possible to cancel the floppy disk boot item in the BIOS. Specific.

1. There is a virus in the computer.

2. The computer crashed.

3. Power outage. 4. I haven't thought about it yet (* hee hee......

What causes a black screen on a computer? 1. Computer host failure.

1) Failure caused by the power supply of the host.

Black screen failures caused by a damaged host power supply or poor host power quality are common. For example, when some new equipment is added, the display has a black screen failure, after eliminating the quality and compatibility problems of accessories, the quality of the power supply is not good, and the lack of power is the main cause of the failure, at this time, you may also hear the horn in the machine 12 consecutive alarms, replacing the high-power and high-quality power supply is the best solution to this kind of failure. In addition, some motherboards have ATX dual power connectors, and the wrong choice of jumper settings can also cause this kind of failure.

2) Failure caused by the quality of accessories.

Poor quality or damage to computer accessories is the main cause of black screen failure of the monitor. For example, problems with the motherboard (and the CMOS of the motherboard), memory, graphics card, etc., may definitely cause a black screen failure. If the fault is orange, the replacement method is the fastest solution to replace the graphics card, memory, and even the motherboard and CPU.

3) The quality of the connection between the accessories.

The incorrect or loose plugging between the memory, graphics card, etc., and the motherboard is the main reason for the failure of the black and silver macro screen. Moreover, if there is a problem with the connection between the graphics card and the monitor, this kind of failure may also be caused, until the AT power supply is not plugged in correctly, and even if the hard disk or optical drive data cable is reversed, it may also cause the boot black screen failure.

4) Black screen glitch caused by overclocking.

Overclocking or overclocking parts that are not suitable for overclocking will not only cause a black screen failure, but also cause damage to accessories in severe cases. In addition, excessive overbeat, touching the frequency, or giving parts that are not suitable for overclocking, poor heat dissipation after overclocking, or heat dissipation fan damage in ordinary use, does not rotate at all, etc., will cause the system to self-protect and crash black screen.

5) Black screen caused by other reasons.

Others, such as incorrect CMOS settings on the motherboard and incorrect clearing of CMOS jumpers on the motherboard, can cause a black screen failure, in this case, you can change the settings according to the instructions of the motherboard. In addition, software conflicts, such as driver problems, improper installation, improper DIY, such as incorrect BIOS flashing, incorrect power management settings, hardware damage caused by malignant viruses (such as CIH), etc., may cause the appearance of black screen failures on the display. When you encounter this kind of failure, you may wish to think more carefully, consider the causes of the failure, and solve the failure, know yourself and the other, and get twice the result with half the effort.

6) If the floppy drive has floppy disks.

If the floppy drive has a floppy disk, many times it will cause the computer to turn on or restart, the computer will have a black screen, and it will not be able to enter the system. To avoid such situations, it is also possible to cancel the floppy disk boot item in the BIOS.

What causes a black screen on a computer? 2. The display itself is faulty.

1) The AC power supply is insufficient.

The external power supply is insufficient, causing some old displays or some displays with high power consumption to fail to start normally, which is one of the causes of the black screen failure caused by the failure of the display itself. Or the external power supply voltage is unstable, too high or too low may cause the display to not work.

There are many reasons for a black screen, and here is a simple category.

First, system failure, there are files that are corrupted, files are missing, parameter errors and so on.

Second, the Trojan virus, in fact, is also the code mask system file is destroyed and tampered with, but it is more common, so it is listed separately.

Third, the software conflict sock mold is empty, and the software or system files compete for memory resources, resulting in a black screen into the system.

Fourth, hardware failure, almost all hardware can cause a black screen.

Fifth, peripherals. I don't classify this scientifically.,I'm not a host, I'm a peripheral.。 Monitors, keyboards and mice, all kinds of cables, printers, I haven't seen this problem, but I don't pack tickets, I don't ask questions.

Sixth, the resolution setting is beyond the display range of the monitor. Select the lowest resolution to enter the system when booting up. This single category is because it often appears and is simple, and everyone can solve it by themselves by mentioning it.

The display is not displayed after booting, which is what we often call a black screen, when encountering this kind of problem, the following methods should be used to check and find the cause:

1. Check the power switch between the power fan and the chassis power switch. Check whether the power supply fan is turning, if not, check whether there is power in the socket where the power cord is located, you can also test the power supply on other computers, and then check whether the power switch of the chassis is normal. If the power supply and switch are normal, check whether the power connection between the motherboard and the motherboard is loose.

2. Press the reset button. Press the reset button to see if the system can boot. If the voltage is around 220V and you can't reset the system, check if the CPU is secure. CPU riser or slot

1. Loose slots can cause such problems.

3. Check the memory, graphics card. Double-check the memory module to see if it is loose. Remove the graphics card and reinstall it from the ground up, trying to keep the graphics card perpendicular to the motherboard.

4. If there is a crash when the boot starts, there is an alarm sound, you can pay attention to the sound made by the speaker when you turn it on, that is, after pressing the power switch.

If it's "Didi." Tick tick. Two consecutive beeps are relatively short, and they are repeated alarm sounds, indicating that the card is not plugged in properly or is in poor contact.

At this point, you can turn off the power, open the case, plug the graphics card back in, and tighten the screws. Sometimes, tightening the screws will cause one end of the graphics card to warp, resulting in poor contact, so you have to do it yourself and find a way to fix the graphics card. If you are still a driver, and continue to make the aforementioned sound, it may be that there is a problem with your graphics card, it is recommended to take the graphics card to another machine to try it, if it still doesn't work, then you need to consider changing the graphics card.

If the sound when stuck is "...Backbite. Backbite. If the interval between each sound is long and then repeated, then there may be a problem with the memory module, it is best to reinsert the memory module and try on a different memory slot, if it doesn't work, you need to replace the memory module.

5. If the system does not light up after changing the BIOS settings, then please discharge the CMOS, which is generally provided on the motherboard, and it is generally printed next to it"clear

CMOS", if there is no such sub-sample, then there is a corresponding explanation in the motherboard manual, of course, there is another way, that is, to take out the battery directly, and use metal to short-circuit its positive and negative poles to discharge.

There is a self-test on the boot.

You turn on and press del

Go in and load the default coms

Go into the BIOS and set that one.

The quick start is on.

All other startups have been changed to.

dis...