Fix When Sound Doesn’t Work After Hibernate or Sleep in Vista

By Lowell Heddings on September 10th, 2007

If you’ve started noticing that your sound is disabled in Windows Vista after you wake your computer from Sleep mode or hibernate, then you are in luck, because Microsoft has a hotfix for this issue.

If you are experiencing this problem, you’ll probably notice a red X on the volume icon in the system tray, and a message when you hover over it that says “No Audio Output Device is installed”.

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The fix for this issue is to install a hotfix from Microsoft, available at the following link:

937077 – A high definition audio device may no longer work after you resume Windows Vista from hibernation or from sleep

Lowell Heddings, better known online as the How-To Geek, spends all his free time bringing you fresh geekery on a daily basis. You can follow him on if you'd like.

  • Published 09/10/07
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