USB Drivers loading at XP Pro boot, then unloading? Keyboard works then doesn't...

Posted on 2008-10-28
Last Modified: 2013-12-09
Power up Optiplex 755 with XP Pro (from image from past Opti 755) loaded software, drivers, etc. Personalized some settings. Now, when I power up, keyboard is active for Bios, the (numlock) light goes out during XP Pro boot, then comes back on. When prompt appears, keyboard does not respond. Have tried multiple USB ports, one allowed the mouse to work, but never let the keyboard work at prompt.

Standard Dell USB keyboard. Standard Dell USB Wheel Mouse (two button w/scroll)

It would appear the drivers load, then lock.

Question by:David Fairfield
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Expert Comment

ID: 22823134
does the keyboard work in safe mode, if so... which it probley does.

You'll  need to go to device manager and remove your existing drivers. then restart your machine in normal mode, windows will re-install the drivers.

...if that doesn't work you'll need to search your windows directory for oem*.inf, and oem*.pnf and delete thoese files. Windows will then reinstall the device drivers from the system32 directory.


Author Comment

by:David Fairfield
ID: 22823276
Safe mode did not work. I'll try using the BITS2k7 CD I have to manage the drivers. Otherwise, i'll insert the XP disc.

Expert Comment

ID: 22823412
never heard of the BITS2k7 disk... you're going to do a repair on your OS with the XP CD... I'm fairly sure this won't work, but its easy enough to try. Load the last know good hardware profile. Press F8 at start-up.

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Author Comment

by:David Fairfield
ID: 22823464
Tried last known good twice before I posted...Bits is a boot disc, runs windows from a disc and allows me to see the directories. I found 40 oem*.inf files and moved them all to C:\Temp, just for fear of deleting them completely.

Restarted windows, and still, no keyboard or mouse. They both worked with the boot disc.


Expert Comment

ID: 22823611
yeah, its totally a windows driver issue... weird that the default drivers in safe mode didn't work though.

you used an image to install the os onto this computer... they could use different chipsets, although i can't see that causing a driver issue. Have you tried plugging the keyboard into the usb port closest to the NIC port on the motherboard?

I guess you're only left with a repair option from a windows disk :(

Author Comment

by:David Fairfield
ID: 22823629
That's where I'm at...just strange it worked flawlessly while i installed and personalized the PC. I'll let you know how the repair goes...thanks for the tips.

Accepted Solution

David Fairfield earned 0 total points
ID: 22878281
Basically had to rebuild this from the ground up. Nothing seemed to work and I needed something within a limited amount of time. Seems to be working flawlessly at this point. We'll see if it stands the test of time.

Thanks for all your help...

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