HP 840 G1 audio issues

Hey!
Stupid instruction follower here. So I've installed MacOS Mojave on my HP 840 G1, following this guide however occasionally I have issues with audio, to the point where last time when I was using my bluetooth headphones it caused complete system freeze, not even mouse moved. What might be the issue? Because quite frankly it is tiring to reboot the laptop all the time.

submitted by /u/Madman_556
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