Soundcard stops working.

Erwin Krisch
Erwin Krisch used Ask the Experts™
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I run Vista Home Premium, SP1, on my laptop. As I use the computer, once in a while the system all of a sudden does not recognize the sound card. After several times rebooting the system it reappears.  Does anybody know what the cause of thus nuisance could be and how to fix it?

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Top Expert 2013

Commented:
if it is a separate card, you can test with another one.
what exactly do you mean with "does not recognize the sound card " ?   where is it not recognised? error in device manager?

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Commented:
I can't take out the card from the laptop. What I mean is that when I go to Device Manager the card is not listed. As a matter of fact no sound device is listed. When I reboot, it reapears. Sometime I have to reboot several times.
Top Expert 2013
Commented:
if it recently worked ok, try a system restore to a previous date
an update may have caused it

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