pc turn off suddenly after upgrade component

adhityasensei

Honorable
Sep 6, 2013
1
0
10,510
Please help me
I have a problem, I just did an upgrade PC components

before the upgrade:
AMD Phenom II X6 1055T
ASUS Radeon HD 5670
430 watt psu


after upgrade
Vishera FX 8320
Zotac GTX 650 Ti
Corsair CMX 750 watts

roughly a month use my pc sometimes turn off by itself, usually heavy usage like rendering 3D objects or open photoshop

is there anything that can help me, why my pc suddenly turn off by itself, this condition occurs after upgrading my pc