Why does the computer of Blue Whale E-sports Hotel show no signal?

What you want to ask is what should I do if the computer of Blue Whale E-sports Hotel has no signal? The solution to the problem is as follows:

1. Check whether the data connection cable is loose or damaged, and loosen and tighten it. If not, find a new one to test.

2. If it is a graphics card problem, you can disassemble the host, find the graphics card, remove the sanitation of the card slot and plug it in again.

3, the motherboard problem can be disassembled, find the battery, buckle it out, leave it for a few minutes, discharge it, and then reinstall it.

4. If it cannot be solved after inspection, it is necessary to consider whether the motherboard has static electricity.