Question Buzz/hum after 10s of NOT playing audio, stops when I open sound configuration

May 17, 2019
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I recently (last week) bought a new laptop (Asus UXFN533). When it's plugged in to my speakers, it makes a humming/buzz sound when there's no audio output for <10 seconds. The buzz/humming STOPS when I go to sound configuration. It only does this with one of my speaker-sets so my guess is that this is a grounding problem. It also doesn't hum that loudly when it's power-connected, opposed to running on battery. My previous laptop did not do this (same speakers). The humming only occured when that laptop went to sleep.

My question(s): could it be that the issue comes from a configuration where Win10 disables the sound driver (and thus creating a different 'electrical state') to save battery? Logic: is there any software code that enables the sound driver when going to sound configuration (without playing any (test/notification) sounds. If yes, how do I disable this?

First post, long time visitor. I have been researching this for days, with no clear sollution.

Thanks in advance!
 

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