ACER 5542G loudspeakers hissing loud

[dmermerci]

Acer 5542G loudspeakers hiss very loud at random occasions unless the setting Realtek Audio Manager...Microphone...Replay pitch(in german Wiedergabelautstärke) is turned off or set to lowest.

 

[r_manic]

You've tried the typical uninstall-then-reinstall audio drivers remedy right?