2. It may be poisoned. Restart the computer, press F8 all the time to enter the network security mode, install Kingsoft Internet Security and Kingsoft Internet Security, remember to upgrade before antivirus, and then use the system modification function to repair the system files damaged for various reasons.

3. Use Master Lu and other software to test whether the temperature of computer hardware is too high, and it will automatically shut down due to overheating protection.

4. Whether the interface between G2401and the VGA cable of GOVO monitor is loose, whether the connection between the graphics card and VGA cable is loose first and then tight, and check whether the electronic components of the monitor are aging.