Try uninstalling the KB938194 update. I had this exact same problem as you,
and it went away once I uninstalled that update.
"Kelvin" wrote:
> I have Vista Enterprise 32bit. After loading Symantec Ghost and copying the
> hard disk to a larger drive the keyboard will no longer work. It will boot up
> to the CTRL+ALT+Del screen. The mouse is working but the keyboard is not. I
> am using the PS2 port. I’ve tried several keyboards and a USB keyboard, but
> same result. I can load the BIOS setup before booting into Windows and the
> keyboard works. I can put the old hard disk back into the machine and it
> works. I assume it is something to do with the OS but now sure what.