My VAIO (VPCEB46FX) keyboard/touchpad stop working after an unfinished windows update. I was shutting down windows 7, the screen turned off, however, the PC was still running for 30min and not response to any keyboard. So since I didn't see any screen, I thought the OS hanged. So I reset the laptop, after that, the keyboard and touchpad became not working. I have to use USB keyboard/mouse.
There are a lot people reporting same issue after windows update. Since there's no restore point created before the update. So I just restore the laptop to factory setting. However, even doing so still can resolve the issue. When windows 7 is first time starting, I still can't use keyboard/touchpad.
Does anyone know how to resolve this issue?
PS. Before I restored it to factory setting, there's once I found keyboard is working 30min or 1hour after I boot up the machine. I was using USB keyboard/mouse and suddenly just found that the laptop keyboard worked too.