Getting external monitor to work

[ryuu]

Ok, I’ve found out what the problem is, it is in fact my AMD cpu:

Missing amdgpu firmware for AMD Renoir APU's

Hello all, sharing this in case it can help someone else and see if anyone has the same issues as I consider adding an issue to the issue tracker. I may gloss over some items but feel free to ask for clarification if it helps you and I’ll try and answer back. Observed Behavior: When using qubes on a AMD Ryzen based laptop with a renoir APU I am unable to: use HDMI to connect to an external monitor Adjust brightness of the display (using the hot keys shows brightness widget on screen and cha…