Reboot Graphics — Driver Link
To fix a sudden frozen screen, severe game lag, or flickering display without restarting your whole computer, you can instantly using the universal Windows keyboard shortcut: Win + Ctrl + Shift + B . This command forces the Windows Display Driver Model (WDDM) to restart the graphics subsystem, flush video RAM (VRAM), and re-initialize your GPU connection without closing your active apps or losing unsaved work.
Common causes for needing a reboot include: reboot graphics driver
Your screen will flicker or turn black for a split second, and you may hear a short beep. To fix a sudden frozen screen, severe game
If the shortcut doesn't work, you can manually toggle the driver to force a reload. How to restart your graphics driver in Windows? - SuperOps If the shortcut doesn't work, you can manually
If the keyboard shortcut fails, you can manually restart the driver via Device Manager.
Confirm the warning prompt. Your screen resolution may temporarily shift.