Why does the screen go black when the computer is turned on?

Now is the era of electronic information technology. Most work is inseparable from computers, but some episodes will inevitably occur during use. For example, the screen goes black after the computer is turned on. How should we solve such problems?

When the computer is turned on, the power indicator light is on and the fan is spinning. When the computer is turned on, the screen is black with no display, but the keyboard light is on: (recommended learning: PHP Video tutorial)

First of all, please check whether the connection cable between the monitor and the host is loose. If it is a machine with an independent graphics card, you should check whether there is contact between the graphics card and the graphics card slot on the motherboard. good.

If necessary, please remove the graphics card, clean the gold finger of the graphics card with a clean rubber blade and clean the graphics card slot with a soft brush or leather blower, then re-insert the graphics card to ensure it is in place. Good contact.

If the monitor and graphics card are installed securely, please try another monitor that is confirmed to be normal. If the screen is no longer black, then the cause is that the monitor may be damaged.

The power indicator light is on when the computer is turned on, the fan is spinning, the screen is black with no display, and the keyboard light is not on:

It may be that the memory module is loose or dusty If too much causes , you can remove the memory stick, clean the gold finger of the memory stick with a clean rubber blade and clean the memory slot with a soft brush or blower, and then install it. The general problem can be solved.

If it still cannot be solved, then there may be a problem with your motherboard, or it may be that the motherboard has a protection function. At this time, you need to remove the BIOS battery. , then install it again and try again, this will also solve the problem.

If there is a problem with your computer system, such as the installed patch is incompatible, or the software is incompatible, or the driver is incompatible, or the system itself is missing some files, it will Resulting in a black screen.

If it is a solution to a system failure

Shut down the computer and then turn it back on again. While turning it on, press and hold the f8 key on your keyboard to enter advanced Startup options.

After entering the advanced startup options, select Perform Last Known Good Configuration from your advanced startup options. Then press Enter. After the execution is completed, you can enter the system.

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