when I started my pc with the gpu I bought (second hand) last week pc ran well for 1 hour but then it gave black screen. I took it to who I bought and tested it in furmark for 15 min without any issue and he said my power supply cant supply enough power for card. Then I installed the gpu back in the pc and undervolted it by 10% with MSI afterburner and it actually run longer (2 hour). does the problem lies on the GPU or PSU?
I5-4460
H81H3-M4
XFX RX 470 oc
DDR3 8Gb 1333Mhz
asus atx-500-H 450w
I5-4460
H81H3-M4
XFX RX 470 oc
DDR3 8Gb 1333Mhz
asus atx-500-H 450w
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