troubleshooting Question

Windows XP won't recognize USB mouse or keyboard

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superslamwichFlag for United States of America asked on
HardwareWindows XPPeripherals
15 Comments1 Solution2065 ViewsLast Modified:
My friend's Dell Optiplex GX620 tower gave a blue screen of death so I offered to fix it.  The error message was "missing Windows\System32\Conf\System".  I did a little research and followed the instructions at ( to try to fix it ("Harder Method").

I successfully completed steps 1-3 (all from the Recovery Console) and restarted the computer.  Success!  Windows loaded perfectly, including the two user accounts on the computer.  Only problem is the OS won't recognize any USB mouse or keyboard that's plugged in.  

I've tried multiple mouses in every USB slot with no success.  The keyboard works fine in BIOS and fine in the Recovery Console, but as soon as XP boots up it stops working.  I'm guessing the restored drivers for the USB ports are bad/missing, but I can't get in to fix them because I have no way to interact with the operating system.

Any ideas?  I'm completely at a loss.
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