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What's with the computer host screen?

Basically, it can be determined that it is the graphics card. If it is a discrete graphics card, you can refer to the following methods.

1. In this case, first check whether there is any problem with the data cable connection and replace the cable.

2, the graphics card driver problem, reinstall the driver, if the boot screen, then the graphics card itself is a problem and needs to be replaced.

3. Overheating the graphics card may also lead to screen display.