The computer will suddenly go black and resume. What happened?

There are many reasons for the computer's black screen, and the common ones are:

The display data line has poor contact;

The motherboard has no power supply;

Poor contact with the graphics card or;

Poor contact and overheating of CPU;

Poor contact of memory module;

Poor power supply performance;

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

Microsoft has a black screen, please patch it.

Most of these problems are the relationship between the memory and the graphics card, loose or poor contact, just move it casually or wipe off the gold finger of the interface with an eraser.