I’ve got 16.04 set up on Haswell Nuc. Both options are configured to HDMI under hardware and also the output tab. Mate recognizes both, no problems. You Tube and videos play fine, no problems. On reboot? It switches back to the default, no sound plays, and I have to manually reconfigure via GUI Sound tab. Not every single reboot but at this point I’m looking at roughly 35% of the time. I’ve already looked at:
Anyone else exhibiting this problem? Normally I wouldn’t mind but this is the computer I set up for my Mom and close to flawless is where I like to run at before the “W” word gets brought up.