: Unlike USB devices, PS/2 ports are generally not "hot-swappable". You must plug the mouse into the green port
If your Microsoft PS/2 mouse still refuses to work after trying all methods, the hardware itself may be faulty. PS/2 mice have a finite lifespan, and the microcontroller inside may have failed. In that case, a new USB mouse (even a basic Microsoft Basic Optical Mouse) will work instantly with Windows 11. microsoft ps 2 mouse driver download windows 11