USB Devices not working on WIN8 Logon Screen

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johnlee7920

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Aug 21, 2013
24
0
10,510
Hi Y'all, I have a build that I've been using for the past two months and I suddenly found that my interface devices (mouse and keyboard) would not register in the cp. I know that this is a os issue because I have been able to use the mouse and keyboard in bios, reducing the chance that this is a hardware based issue. When at the logon screen, my mouse will not show up although I know that it is plugged in and working. Same with the keyboard although I noticed that if I were to hit the caps lock key on it, the light would not go off. Does anyone have the slightest idea as to how to fix this? Thanks.
 
Solution
J
This is most likely a failure of the xhci driver in win8 after a windows update. In your bios, disable xhci, and see if that lets you log in, at least. If so, try a rollback to when it worked, and re-enable xhci. After that, install your updates one at a time to find the one that breaks it, roll back, and hide that update.
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jdon

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Sep 30, 2013
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10,540
This is most likely a failure of the xhci driver in win8 after a windows update. In your bios, disable xhci, and see if that lets you log in, at least. If so, try a rollback to when it worked, and re-enable xhci. After that, install your updates one at a time to find the one that breaks it, roll back, and hide that update.
 
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Solution
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johnlee7920

Honorable
Aug 21, 2013
24
0
10,510
I tried doing the xhci and it did not work. I did a system restore and found that after doing so, I was able to successfully log back in and use the keyboard. The last software I installed was MCafee Security Suite. Thanks for the help though!
 
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