1, whether the resolution setting is appropriate, and the graphics card driver is incompatible or damaged. Please try upgrading the graphics card driver first (download the driver wizard). \x0d\2。 The graphics card is too hot or incompatible or damaged. If the temperature is too high, it will turn gray. If there is a problem with the fan, please replace the cooling fan. \x0d\3。 Restore the BIOS default values, remove the dust from hardware such as memory and graphics card, and check whether the memory and graphics card are incompatible or faulty (sometimes memory failure is also a screen failure). \x0d\4。 If you don't watch the screen often, just turn it off and turn it on again. At most, when you press F8, turn it on until advanced options appear. Select Last Known Good Configuration and press Enter to repair it. It is not yet possible to restore or reinstall the system. \x0d\5。 Is the connection of the monitor plugged in or there is something wrong with the connection? If so, test whether there is something wrong with the monitor. \x0d\6。 If it doesn't work all the time, have a thorough overhaul.