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HP Pavilion - Quick Launch button stuck on mute
I'm running Windows 7 Ultimate 64 bit and have the HP Pavilion dv7-1135nr here: http://h10025.www1.hp.com/ewfrf/wc/product?product=3795411&lc=en&cc=us&dlc=en&lang=en&cc=us
A few days after installing windows 7 the Quick Launch mute button is stuck on (red) indicating that the system is muted whether or not it's muted in the system tray. No sound will come out of the external speakers but headphones work fine. I've tried uninstalling and reinstalling the sound drivers on the support page but that limits me to only using headphones OR internal speakers (even if headphones were plugged in) by setting it through Control Panel. System restore fixed the problem for 1 day and it reoccurred.
I've just installed the newest version from HP but it doesn't affect anything: HP Quick Launch Buttons HP Pavilion dv7-1135nr Entertainment Notebook PC - HP Customer Care (United States - English)
I found related topics with similar (but not the same) issue but none have sollved the problem. Any help to fix the solution is much appreciated.
-Dave