RX480 new driver and lost hdmi audio output

Computer Type: desktop

GPU: RX 480 8gb Nitro

CPU: i5 2500k

Motherboard: p67 pro3 asrock

RAM: 8 gig

PSU: enough

Operating System & Version: Windows 10 with all newest updates

GPU Drivers: 17.4.4 although shows 17.10.something for some reason

Chipset Drivers: i don't know and it doesn't matter

Background Applications: doesn't matter, occurs all the time

Description of Original Problem: I had the HDMI audio output running audio from the speakers of my BenQ GL2460 monitor, and since updating the drivers I lost it. I also updated Windows at around the same time so might be it as well. The HDMI audio output is literally nowhere to be found, not even in the device manager. My guess is the monitor got somehow recognized wrong and Windows now thinks that it doesn't have the speakers. Weird.

Troubleshooting: Did a clean install of the drivers, even saw the HDMI Audio driver being installed (took pretty long which is weird). Tried uninstalling just the HDMI audio driver. Tried reinstalling again. Nothing works.

EDIT: Right after installing 17.4.4 it appears but after a reboot disappears again WHAT THE FUCK