Computer black screen failure, what is the computer black screen

I'm here Fault diagnosis must follow the "soft first and then hard", that is, start with the software problem, and then turn to the hardware diagnosis when there is no problem in the software, the following are a few typical solutions:

Software: You can screen for the black screen problem from the following aspects, with solutions:

1.A black screen of the system caused by a computer virus. Solution: Use the latest version of anti-virus software to thoroughly check and kill the hard disk.

2.System black screen caused by system file corruption. Solution: The easiest and most time-saving and effective way is to reinstall the system without the hassle of detecting corrupted files.

3.The system screen is black caused by a hardware driver issue. Solution: Reinstall the graphics card, motherboard, and network card drivers in the order of the drivers that are most likely to cause the problem.

4.The system screen is black due to incompatibility of some programs. Workaround: Uninstall and reinstall.

5.Some monitors may block and review some full-screen games before they can continue, but the review process needs to be done manually, and the system will be stuck in a certain state, such as black screen, fake animation, etc. The usual solution: cut out the program and set it up.

Hardware: The black screen problem can be screened from the following aspects, with solutions:

1.The power supply is insufficient or the quality is not up to standard, resulting in a black screen during high-load loading. Workaround: Purchase a power supply for the requirements of the composite system.

2.Black screen caused by hardware incompatibilities or quality issues. Solution: Use the minimum system method and elimination method to find out the problem hardware and repair or replace it.

3.A black screen caused by hardware overheating. Solution: Find out the heat source and replace the fan.

4.The monitor connector is not properly connected. Solution: Tighten the display interface.

There are a lot of black screen issues, and it's good to be specific:

In general, it is the memory module, the graphics card, as well as the motherboard and CPU can have problems.

There's something wrong with the system.,Use safe mode to enter.,If it's still black.,It's recommended to reinstall the system.。

Check again that the power supply to the monitor is plugged in well? If your monitor's power switch is tactile, you should hear a slight tap when you power up your monitor"Crackling"sound, at this time, it can be judged that the switching power supply circuit of the display is good. Is the power switch on the remonitor turned on?

Is the monitor's power indicator on? When approaching the monitor screen with your hand and slowly move it to see if there is"Sizzle"At the same time, the hairs on the hands have the feeling of being sucked up, which is checking whether the display high voltage circuit is working properly.

Open the case to check if the display card is installed correctly? Is it in good contact with the motherboard socket? Does the graphics card or socket collect too much dust over time to cause poor contact?

Whether the chip on the graphics card has traces of burning, cracking. When the screen is black due to the graphics card, the computer will have a short and long POST"Tick tick"Acoustic cues. When installing the graphics card, hold the top half of the graphics card with your hand and insert it evenly into the card slot so that the fixing screws of the graphics card match the screws of the main chassis.

Do not force it to be fixed when it is not plugged in and corrected, which will cause the graphics card to be distorted. If you confirm that the installation is correct, you can remove the graphics card and wipe the gold finger of the prongs with an alcohol cotton ball or change the socket (only for PCI graphics cards) to install it. If it still doesn't work, you can only change to a good graphics card and give it a try.

(1) The display is powered off, or the display 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 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.

Solutions to common faults with black screen when computer boots.