I just upgraded my PC from a GTX 670 to a GTX 780, and now whenever I launch certain games, the whole computer seems to power off and restart. So far it's worked perfectly fine on BF4, and hasn't had any problems playing that, but when I tried to play Crysis 3 and Planetside 2, it powers off after about 1-2 minutes of playing the game. My temperatures don't seem to be anything too bad in the games, only reaching ~75 in Crysis 3, and the same in PS2, but in BF4 it was hitting 82. I have the latest drivers (I've tried the latest, and the latest beta drivers) and I'm baffled. I have a 630w power supply, which was over the recommended amount.
full specs: GTX 780 16GB ddr3 RAM Asrock z87 extreme 4 4770k 630w PSU 2 7200 RPM drives
I've also tried updating my Bios, and now Crysis 3 works, but it still crashes on GTA IV
(here's the specific power supply I have http://www.newegg.com/Product/Product.aspx?Item=N82E16817152035)
full specs: GTX 780 16GB ddr3 RAM Asrock z87 extreme 4 4770k 630w PSU 2 7200 RPM drives
I've also tried updating my Bios, and now Crysis 3 works, but it still crashes on GTA IV
(here's the specific power supply I have http://www.newegg.com/Product/Product.aspx?Item=N82E16817152035)