SUMMARY I have a MSI GS75 with external monitor (LG 34gn850-b). I have disable laptop screen and i only use external screen. If i set any game to fullscreen, it show black screen and i have to use ALT + TAB for go back to desktop. If i disconnect my external monitor and i use my screen laptop, then it work correctly. I have Nvidia RTX 2060. STEPS TO REPRODUCE 1. Open any game (native, steam, with proton, etc). 2. Set to fullscreen. SOFTWARE/OS VERSIONS Operating System: KDE neon 5.23 KDE Plasma Version: 5.23.2 KDE Frameworks Version: 5.87.0 Qt Version: 5.15.3 Kernel Version: 5.11.0-38-generic (64-bit) Graphics Platform: X11 Processors: 12 × Intel® Core™ i7-8750H CPU @ 2.20GHz Memory: 15.5 GiB of RAM Graphics Processor: NVIDIA GeForce RTX 2060/PCIe/SSE2
Hello. I have updated my drivers to Nvidia Drivers v470.82 and now it work correctly. It seems that it was an incident with nvidia drivers. This is solved.