#freezes

Recently purchased a 3060 ti to replace a 3060 in my system, and ran into an issue of my monitor being completely frozen after a couple minutes of running. Fans/lights from the pc still on and working, but keyboard/mouse unresponsive. Couldn’t find a fix so I slapped in a gtx 970 and everything...

Hello guys im new here. I have and issue with my pc. Last week my pc started lags and freezes sound and display on games for a sec. I tried to check my ram but it was ok . I also check hdd and ssd (ok too). Then i check gpu all fine. But keep freezes and fps drop. I was playing fine until this...