1080 ti freeze pc

hksaaa

Honorable
Aug 31, 2016
19
0
10,510
My pc is freezing when im in any game,but when im surfing and stuff it works normaly.
I have 2600k @ 4.2(tried normal clock)
asrock z68 pro 3
4x4 ddr hyper x
psu 550w 80+ bronze be quiet(dont know model)
 

hksaaa

Honorable
Aug 31, 2016
19
0
10,510
im not sure in idle but when im in game cpu is around 58-60 and gpu around 68-70
i have feeling that psu is not that good for that gpu, today i bought 1080ti,on 770gtx everything was working fine