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windows 7 keyboard error, driver corrupted?

Client has new Lenovo that after trying to install Avast keyboard quit. I pulled the w/l keyboard and plugged in a wired KB. Kept crashing the PC. I found and deleted a keyboard driver filter from Avast and the keyboard still doesn't work.

I can't run SFC and can't delete MS keyboard filter driver. I didn't set this PC up so of course there is no restore point to fall back on.....

Help.

FYI mouse works fine, and I tried two different w/l and KB types. Deleted the keyboard and tried to scan hardware changes and the same drivers install and fail. Windows update was no help as well.

Help.
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Fuwaad
Asked:
Fuwaad
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1 Solution
 
John HurstBusiness Consultant (Owner)Commented:
Windows does not need a driver for a wired keyboard; the drivers are built into Windows.

What model Lenovo is it?  It appears that you should do a full recovery (back to out of the box specifications). You should be able to start this by pressing F11 at startup. This does wipe everything out, so you may wish to boot with a bootable CD (Ultimate Boot CD) and save the data (and email if any) from the machine.

... Thinkpads_User
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Rob MinersCommented:
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FuwaadAuthor Commented:
@ thinkpad user- thanks for the feeedback. I am trying to avoid a reload as the user has loading tons of files and programs already. She thought the person who set it up had put AV on it, which he did not.

@rrjmin0- thanks. I did a manual delete of the avast kb reg key and still have no kb. I'll look at the procedure again. Maybe i missed something.
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John HurstBusiness Consultant (Owner)Commented:
I understand the inconvenience of a reinstall but keyboards are really fundamental to Windows and corruption there runs very deep. I hope some of the tips above are successful for you, but otherwise you might need to reinstall.
.... Thinkpads_User
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Rob MinersCommented:
You would do better to run aswclear.exe as suggested in the link. If you have no success with that method follow the advice of Thinkpads_User.
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FuwaadAuthor Commented:
Thanks for finding the Avast thread. The uninstall procedure worked. Thanks for all the feedback.
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Rob MinersCommented:
Your welcome :)
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