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Windows 7: Sound 'disappears' after 15 minutes and returns 2 seconds later

01 Aug 2010   #1

Windows 7 - 64 bit
Sound 'disappears' after 15 minutes and returns 2 seconds later

Hi there,

Usually, I've been able to troubleshoot my PC woes and worries using my dear friend Google and/or some logic thinking. But there's something "strange" going on with my mediacenter-PC. As I've looked on these forums but couldn't find a solution (and to be honest : I'm baffled by this) : the following :

I was using Windows XP on my mediacenter until 2 weeks ago. No problems during playback whatsoever... Upgraded this system with Windows 7 recently, installed the Kazaa Lite Codec Pack + XBMC and experienced no problems during the installation. Upgraded the video (Nvidia 9600GT) and the audio drivers (provided on Gigabyte's site) and noticed during playback that the sound goes "off" after 15 minutes. It 'disappears' for 2 seconds and comes back again.

My setup : the motherboard : GA-MA74GM-S2H -> this is connected with an S/PDIF cable to my audio system (JVC amplifier) and the symptoms I see are :
- sound goes off
- my amplifier shows "Linear PCM" for a second
- the sound comes back and continues after 2 seconds

So, reinstalled Windows 7 again, didn't install any updates or extra drivers for the soundcard (just the Kazaa codec pack) and tried again with Media Player Classic (included in the codec pack) > same problem again.

Might anyone have any suggestions?
thanks a lot!

PS : I've included a screenshot of my device manager, the current sound properties and [not sure if this is related], the volume control options.

Attached Thumbnails
Sound 'disappears' after 15 minutes and returns 2 seconds later-soundproblems.png  
My System SpecsSystem Spec
01 Aug 2010   #2

Windows 7/10 64 bit

I would start with a clean install of Win 7, motherboard chipset drivers and system device drivers (and install Windows 7 specific drivers). DO NOT install any additional software such as the referenced codec pack. Use the built in Windows Media Player and see if works OK or if you have problems. If it works OK, then start adding wthatever software you want, one program at a time and then check to see if it works OK before adding anything else.

Also, as you upgraded from XP, how much memory do you have? You need a minimum of 2GB of RAM for Win 7 and as you have the 64 bit version I would go with a minimum of 4GB.
My System SpecsSystem Spec

 Sound 'disappears' after 15 minutes and returns 2 seconds later

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