A: Many laptops emulate PS/2 for the built-in keyboard. Do not uninstall it—that would disable your laptop’s internal keyboard.
Windows 11 sometimes disables the PS/2 port by default. You can force it to start with a registry edit: standard ps 2 keyboard driver windows 11
If your keyboard isn't responding, the first step is to trigger a fresh driver installation through the Windows Device Manager Reinstall the Driver : Right-click the button, select Device Manager , and right-click Standard PS/2 Keyboard Uninstall device A: Many laptops emulate PS/2 for the built-in keyboard
If your keyboard started malfunctioning after a Windows Update (e.g., keys repeating, not responding, or typing wrong characters), roll back the driver. select Device Manager