I removed my graphics card so I could move around some cable's in the system. it was a struggle for it to come out but I got it out, then out it back after moving around cables, stared the pc and opened the boot bios to check out the board explorer, then checked it I could oc the cpu but didn't change everything then rebooted the system and opened fallout 4 it is now running at 2.5 fps, before it was running at around 50 fps . my parts are: msi GeForce gtx 980, i7 4790k, msi z97 gaming 5, Kingston ssd (120) for os ,2tb segate barracuda, 750w g2 evega power supply. please help. thx.