HP DV9930us with Windows Vista Home Premium 64-bit: the keyboard driver does not work after reboot.

huangs3
huangs3 used Ask the Experts™
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Hi Experts:

    I have a HP DV9930us laptop that keyboard driver error will be caused by rebooting.

    Here are my experiment results:
1. at te beginning I have the keyboard working fine,
2.  I reboot compue, then the keyboard does not work, and the screenshoot of the Device Manager is attached Device Manager 1 Device Manager 23. I uninstalled the driver from Device Manager and reboot compuer, then the keyboard worked again and the error message in Device Manager disappear. Now the compuer state is the same as step 1
4. I reboot compuer again, and it is not working any more and get into the same state as step 2

    Simply speaking, the reboot right after deleting the driver would make the keyboard temporarily, and the next reboot will screw up the driver.

    I have disabled the "Windows Update Driver Setting" in system property but it didn't help.
   What can I do?
   Thank you.
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Hi, so the screenshots above are BEFORE the keyboard driver "crashes?"

Have you tried windows update to automatically detect a driver, possibly newer, for the machine?

Have you checked for newer drivers for QLB (QuickLaunch Buttons) on HP's support site? I will include a link for that.

HP QLB driver for your machine with Windows Vista 64-bit. ftp://ftp.hp.com/pub/softpaq/sp40001-40500/sp40139.exe

Here's a BIOS Update just in case you haven't done it. ftp://ftp.hp.com/pub/softpaq/sp42001-42500/sp42153.exe

Hope that helps!
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Top Expert 2013
Commented:
test if the same happens on an external keyboard
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Commented:
Due to some event I am not able to test the computer yet. Hopefullly be back soon.

Author

Commented:
The computer owner restored the system to an old snapshot to make it work. We decided not to move on to find the root cause now, but thank you for your suggestion and it may be helpfule for me in future. The score will be distributed.

Author

Commented:
The computer owner restored the system to an old snapshot to make it work. We decided not to move on to find the root cause now, but thank you for your suggestion and it may be helpfule for me in future. The score will be distributed.

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