Hi Chrisleung. "erico" provided the "How to use Microsoft Windows Vista system restore" link above, which shows the steps to do a system restore. His suggestion seems to mean, to take the computer back to a point in time before the updates, where it was working correctly (please correct me if I am wrong).
The other option would be to use HP Recovery to restore the original IDT audio drivers.
Performing a Software Application or Driver Recovery (Windows Vista):
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&dlc=en&docname=c00834921&lc=en&jumpid=reg_r1002_usen_c-001_title_r0004
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Re: laptop gone mute after windows vista automatic update
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