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Windows 8.1 USB fail

Posted on 2013-11-14
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Last Modified: 2014-01-22
I upgraded my Lenovo laptop to windows 8.1 last evening. All my usb devices stopped working. I noticed the chipset had the yellow triangle on it and found out the driver was not digitally signed so Win 8.1 blocked it. I managed to disable the feature that checks for driver signing and now the chipset is good, however my mouse, webcam are both dead with the yellow triangle and if I try to reinstall or update, I just get "invalid data". Any ideas?
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Question by:jsgrosskopf
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7 Comments
 
LVL 24

Expert Comment

by:aadih
ID: 39648970
First restore your computer to before you disabled the "digital signature" feature.

Then go to your computer manufacturer's website to download the appropriate driver. Or use Microsoft Windows Update feature to update the needed drivers.
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Expert Comment

by:EhntilZa
ID: 39649015
you will need to download the updated drivers for the chipset and possibly for the devices plugged in to it.  Check the Lenovo website for your model specific drivers.  If none is available there, you may have to find the chipset manufacturers updated drivers (e.g. intel / SIS, etc. )

What model laptop are you using?
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Author Comment

by:jsgrosskopf
ID: 39650889
Thanks everyone but the user left to go back to Illinois (we are in MD) before I got a chance to test any of these.
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Accepted Solution

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jsgrosskopf earned 0 total points
ID: 39788369
Ended up it was the AT&T 3G wireless card. It installed some USB drivers that were not compatible with Windows 8.1. Upgraded the card and everything started working again
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Author Closing Comment

by:jsgrosskopf
ID: 39799460
The solution worked
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LVL 24

Expert Comment

by:aadih
ID: 39799766
Great. You fixed it. :-)
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