1. Press ctrl+shift+esc to open the "Task Manager", find the explorer.exe process, end it, then click "File" in the menu bar - New Task, enter explorer.exe, reopen the shell process to see if the problem is solved. If the problem cannot be solved, please restart the system and see if the problem is solved. If the white screen problem cannot be solved, consider a hardware failure.

2. Hardware problems

Generally, white screen hardware problems are mostly caused by monitor faults, which are often caused by loose or broken screen cable connections on the monitor. If you have certain computer knowledge, You can go to a computer store to buy a screen cable and replace it, otherwise it is recommended to go to an after-sales or computer repair center and let professionals handle it.