Pc keeps restarting every time I play a game, HELP!

Metal Ono

Commendable
Aug 24, 2016
1
0
1,510
-Cooler Master Elite 431 Plus
-Cooler Master G650M ATX Power Supply
-ASUS Nvidia Turbo GeForce GTX 970 4GB DDR5
-Kingston HyperX Fury White 120GB SSD
-Western Digital 1TB Hard drive SATA.
-Kingston DDR3 HyperX Fury White 8GB RAM
-Intel i5-4460 @3.20GHz Processor
-MSI socket Z975 SLI Krait Edition Motherboard

those are my pc specs. i dont really know whats the problem.