USB "Windows cannot verify the digital signature" and No Audio in Notebook

Model: HP Pavilion DV6
OS: Windows 7 (64-bit)
I recently started to face this issue with the USB drivers and no audio from the internal speakers of my notebook.
ON checking the USB drivers, it says that Windows cant verify digital signature.
I uninstalled, restarted the notebook but the newly installed drivers have the same issue. Even tried to update the drivers, but to no avail.
I am even facing issue with no audio from internal speakers.
Uninstalled and reinstalled ATI High Def Audio Device and IDT High Def Audio CODEC - the drivers look good, but when I test sound in Control Panel - it fails to play test sound.
I have installed all Windows updates and the new HP Support Assistant and all other updates.
NOTHING works!
Please help!

I've got a temporary fix , but it sounds like you need a full recovery . After the HP/Compaq Screen flashes and disappears at startup , start pressing F8 like a boss (4 or 5 times) , you'll see a screen pop up with many options on it , near the bottom is one that says "disable driver signature requirement" or something similar . Arrow down and select that one , don't think it works after reboot , but like I said , it's just a temporary fix .
hope that helped
If it did hit me with some Kudos , I need all the help i can get .

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Hi,
What are you trying to do ? To help us answer question quicker, please read this:
http://h30434.www3.hp.com/t5/First-Time-Here-Learn-How-to/Welcome-Get-started-here/td-p/699035
Regards.
BH
**Click the KUDOS thumb up on the left to say 'Thanks'**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.

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Hi,
What are you trying to do ? To help us answer question quicker, please read this:
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Regards.
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**Click the KUDOS thumb up on the left to say 'Thanks'**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.

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i suggest making a backup of your data before doing this incase something does go wrong, but ive had this happen many times in a domain enviorment and has worked for me everytime.

USB "Windows cannot verify the digital signature" and No Audio in Notebook

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