How To Fix A PS/2 Keyboard Not Working On Windows 10.Regedit location: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\i8042prtThis video help you out?.Ĭ › Windows › General Windows.Is your PS/2 keyboard not working after Windows 10 installation? But it works in BIOS and before Windows boot?Just follow the steps outlined in the video and.I tried booting from the Windows CD, and even there the keyboard is not working. Txt says Loaded driver \SystemRoot\system32\drivers\i8042prt.sys.