Windows Display Driver Reset Shortcut
Press the following four keys simultaneously: What Happens Next?
Sometimes, the shortcut fails to work because the system audio service is interfering or the "Beep" driver is disabled. If you press the shortcut and hear no beep and see no screen flicker, follow these steps to ensure the system can process the command: windows display driver reset shortcut
While incredibly useful, this shortcut isn't a cure-all. It generally cannot resolve: Press the following four keys simultaneously: What Happens
When a heavy application hangs and prevents you from clicking anything else. windows display driver reset shortcut
Troubleshooting blank screens in Windows - Microsoft Support