After the computer is turned on, the display screen will go black from time to time

1. Check whether the interface and power cord of the chassis power supply are in good condition, and replace them in time if the interface and power cord are damaged or broken. Check the motherboard power cord socket to see if the power cord is not in good contact. Change the power supply with high power.

2. Check whether the memory is inserted securely, check whether the monitor cable is firmly and reliably inserted into the host interface, and then check whether the contact between the graphics card and the IO slot of the motherboard is good. If necessary, remove the graphics card and reinsert it again.

3. Check if there is a problem with the CPU fan and replace the fan.

4. Confirm whether the monitor is damaged, and try it with a different monitor to confirm that it is normal.

5. Set the BIOS to the factory default (you can remove the motherboard battery, dock the positive and negative poles of the battery slot, and then install the battery).

6. Boot up and try again, if the fault persists, change the graphics card.

7. Two memory, remove one and turn it on.

8. Remove all components except CPU, graphics card, and memory module, then power on and start the computer, boot the computer and re-test, if the black screen still appears, the CPU or motherboard is broken.

If the display is CRT, it means that the energy storage filter capacitor in the secondary power supply is out of capability. If it's liquid crystal, it's a problem with the high-voltage strip.

Check the power plug of the monitor, and it is estimated that your monitor is dirty and clogged with dust.

The monitor refresh rate is set too high.

Some netizens will ask on the Internet why the computer monitor automatically blacks out, in fact, it is very simple, let me briefly introduce the reason why the computer monitor automatically blacks out for you! Hope it helps!

The reasons why the computer monitor automatically goes black are as follows:Since the computer will enter standby mode by default under normal circumstances, it will cause a black screen.

Select Change schedule settings

The current schedule setting is Balanced State

If you don't want a black screen, you can choose "never" all of them

The last step is to click "Save Changes".

In this way, the problem of black screen can be solved, so that you can leave the computer with confidence, and remind you that when you leave the computer, you can turn the computer to the darkest, which can save some electricity, and can reduce the damage to the computer.

Tap the first one to adjust the screen brightness.

I have a similar situation, every time the refrigerator starts on the black screen for seconds, sometimes the light will also appear voltage instability and it may be a power supply problem.

I've encountered it so far, and I haven't been able to solve it.,You found out the reason.,I'm the same as a strange phenomenon.,Move the table next to it and it will be dark.,But it doesn't matter how you move the host and the monitor.,Everyone is haunted by fun.,Hehe.。

Change the interface of the mouse, or change the mouse to see if it works, I guess it has something to do with the power supply, because my power supply was not changed. This includes the power supply and the power supply inside the main unit.

If electronics don't say new, there must be no problem. If there is no problem with the console, see if it is your cable or monitor.