fullscreen optimization

Whenever I launch a game in fullscreen mode, my 1440p 240hz monitor changes resolution to 4k 120 hz. In game stays at 1440p. Alt-tabbing changes windows resolution back to what it should be at 1440p 240hz. I've tried disabling fullscreen optimization through regedit and the game's properties. It...

i just got a new pc Windows 10 laptop and games are capped at 60 fps. after going through everything i found out the problem was fullscreen optimization. i remember having the same issue with my old pc but i was able to fix it without disabling fullscreen optimization (which would mess with...