Sometimes the screen goes black when the computer clicks, what is the reason for the right moment? P

The computer has a black screen for a while, and it's fine for a while, and there are many reasons for this:

1.Faults caused by the host power supply.

Black screen failures caused by a damaged host power supply or poor host power quality are common. For example, when you add some new equipment, 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 alarm 12 consecutive sounds, 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.Faults caused by the quality of the 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 motherboard's BIOS), 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 main cause of black screen failure is the incorrect or loose connection between the memory, graphics card, etc., and the motherboard. In addition, if the graphics card is connected to the monitor, it can also cause this kind of failure, up to the AT power plug in incorrectly, or even if your hard disk or optical drive data cable is reversed, it may also cause a 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 damage to accessories in severe cases. In addition, excessive overclocking or poor heat dissipation after overclocking to parts that are not suitable for overclocking, or damage to the cooling fan during normal use, not rotating at all, etc., will cause the system to protect itself and crash with a black screen.

5.Black screen caused by other reasons.

Other things such as incorrect CMOS settings on the motherboard and incorrect BIOS jumpers on the motherboard can cause a black screen failure, in which case you can change the settings according to the motherboard instructions. 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.

Have you tried to change to another interface, the display has other interfaces to try.

Other than that. This situation is mostly caused by the graphics card driver or the temperature is too high.

First, this situation is caused by a problem with the graphics card driver, and you can use the computer manager to update the driver to write the bucket belt.

2. Find "Hardware Detection" in the toolbox.

3. Click "Driver Installation" in the hardware test.

4. You can see the "installation status", if it is not installed, you can click to install it directly.

2. Use a computer manager to check whether the hardware temperature is too high.

If the temperature is too high, you need to strengthen the heat dissipation, clean the graphics card fan, and increase the case fan.

There may be a problem with the driver next driver wizard to give it a try.

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.

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 sound. 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 may indicate a serious problem with your computer, and you may wish to eliminate it as described above when the black screen 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.

If it is a black screen in use:

1. If the black screen disappears after moving the mouse, you can return to the normal screen, which means that the screensaver is automatically entered, and you can try to disable the screensaver;

2. If you can't wake up the screen after the screen goes black, you can press and hold the power on/off button for more than 3 seconds to force it to shut down and then turn it back on again to see if it can start normally.

3. If it can't be solved, you can uninstall and reinstall the graphics card driver and test again.

If you encounter the problem of "black screen when booting", you can click on the avatar to enter the "Lenovo Business Service" homepage and consult an engineer online to solve the problem.

Hope it helps:

There are many reasons why a computer has a black screen, and the common ones are:

Shows poor contact of the data cable;

There is no power supply to the motherboard;

Poor graphics card contact or;

Poor CPU contact and overheating;

Poor contact of memory modules;

poor power performance;

The machine is infected with the CIH virus and the BIOS is refreshed destructively.

Microsoft black screen, please patch.

Most of these problems are the relationship between the memory and the graphics card, loose or poor contact, just move it or use the eraser to wipe the gold finger of the interface

Very old problem, windows genuine verification, a black screen once an hour to avoid this problem.

1.My Computer - Properties - Auto-Update - Turn off Auto-Update 2Start-Run (Enter Disable Office Source Engine and Automatic Updates.)

If the screen goes black every hour, use the following method to @echo off

sfc /purgecache

reg delete "hkey_local_machine\software\microsoft\windows nt\currentversion\winlogon\notify\wgalogon" /f

taskkill /f /im /t

del c:\windows\system32\ /f /qtaskkill /f /im /t

del c:\windows\system32\ /f /qtaskkill /f /im /t

del c:\windows\system32\ /f /qtaskkill /f /im /t

del c:\windows\system32\ /f /qtaskkill /f /im /t

del c:\winnt\system32\ /f /qtaskkill /f /im /t

del c:\winnt\system32\ /f /qtaskkill /f /im /t

del c:\winnt\system32\ /f /qecho. &pause

Copy the above to Notepad and save it, change the suffix txt of Notepad to bat, and run.

If it is a black screen in use:

1. If the black screen disappears after moving the mouse, you can return to the normal screen, which means that the screensaver is automatically entered, and you can try to disable the screensaver;

2. If you can't wake up the screen after the screen goes black, you can press and hold the power on/off button for more than 3 seconds to force it to shut down and then turn it back on again to see if it can start normally.

3. If it can't be solved, you can uninstall and reinstall the graphics card driver and test again.

If you encounter the problem of "black screen when booting", you can click on the avatar to enter the "Lenovo Business Service" homepage and consult an engineer online to solve the problem.

Problems with the connection of the monitor. You should be fine if you reinstall the chassis socket of the monitor, if it is a power supply problem, you will not work at all, and if it is a graphics card problem, it will not be so easy to recover.

1.It is a relatively common problem for the display to appear on the black screen, which is not a design flaw, but an individual quality problem.

2.The reason is that the internal power board filter capacitor or the high-voltage board transformer is damaged, resulting in insufficient power supply, and after a period of time after starting, due to the preheating of the components, it will be normal, and sometimes it needs to be turned on several times before it can be opened.

3.The maintenance method is to open the shell, check if there is a capacitor explosion inside, and replace it after finding it.

4.If you don't know how to repair, take it for repair, repair about 50 yuan, and replace the board for more than 100 yuan.

After a while? Does it mean a black screen without moving the keyboard and mouse, if so, don't worry.

Right-click directly on the desktop.

Properties: Screensaver.

Tap Power. All set to never.

There will be no black screen, this is the setting of the XP system, Win7

Right-click and select Personalize.

There's one in the bottom right corner.

Screensaver.

Click Change power settings.

Change the schedule settings.

The same choice never.

If that's okay, you'll have to check the hardware.

What happens when the computer suddenly goes black? It depends on the individual's usage habits. Enter the ** that should not be browsed, the computer is infected with a virus. or improper operation of the computer. So what should you do if a black screen appears? It can be excluded by the following methods.

1: Restart the computer, often press F8 to select the safe mode on the advanced startup page, then right-click on the desktop, select Properties, and then in the settings, find Advanced, Monitor, and turn down the frequency of the screen at the moment.

2: If the graphics card driver is too low or malfunctioning, you can enter safe mode and reinstall the graphics driver.

3: The computer is operated by antivirus, in safe mode, enter the computer, and use mainstream antivirus software for antivirus treatment, such as 360, 4: Check whether the display connection cable is loose or short-circuited, or whether the display power supply line falls off.

5: Open the running window, enter dxdiag in the running window, you can open the DirectX diagnostic tool, you can select the graphics card, DirectX, test Direct3D in the window, you can click Direct 3D acceleration at this moment, if there is a rotating cube, then it means that the graphics card 3D acceleration, then you only need to disable it.

I believe that through the following methods, the computer black screen problem will be effectively dealt with! Hope it helps!

There are many reasons for a black screen.

It is recommended to check the memory module and graphics card.

and computer cooling issues.

What's wrong with the computer always having a black screen? This setting ensures that your computer never goes black.