I had the same problem, but after switching from launching bg3 with wine64 bg3.exe to wine64 bg3_dx11.exe it works again — and runs much smoother, but can only use my main monitor.
I use the Ryzen 7950x onboard graphics card.
Last edited by ArneBab; 02/11/23 09:30 PM. Reason: add info on graphics card.
