If you have Intel graphics and want to the classic shortcut:

If these do not work, your graphics driver likely does not support them by default or requires you to enable "System Hotkeys" in its control panel. 2. Rotating via Windows 11 Settings (Reliable Method)

When the hardware-specific shortcut fails, Windows 11 offers a robust, native solution through the modern interface, which can be accessed almost entirely via the keyboard. By pressing the Windows key + I, users enter the Settings app. From there, a quick search for "Display" or navigation to System > Display leads to the "Display orientation" dropdown. While this method is more deliberate and visually guided than the hotkey, it lacks the immediacy of a shortcut. It serves as the fail-safe when the rapid hotkey method does not respond, ensuring that users are never left stranded with an upside-down screen.