Recently, my HP laptop's audio has stopped working. When I soundcheck, it claims it's in use by another program, but I have nothing else open, and can't discover any background program/process that would be using it. The mute light is off, and when I click it, the volume bar appears but doesn't mute, and the light won't turn on. I tried a hard reset, I tried reinstalling the drivers/quicklaunch software, and it worked for about an hour, then the problem started again. I'm not sure of the specific laptop I have, but I've included a screenshot of it. Any help in permanently restoring my sound/mute button light would be great, thank you.
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Mute Light / Sound Problem
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