Pc restart when stress test on GPU

JOHNGREEN123

Prominent
Apr 4, 2017
1
0
510
i run furmark stress test on GPU and pc restart.. what must i do?.. please help..
My spec:
proc: i7 6700k
Gpu: msi gtx 970 gaming
Psu: Seasonic s12ii 620bronze
mobo: Asus pro gaming
Ram: Kingston 8gb
CPU cooler: Hyper tx3
3x140mm 1x200mm fans on casing