Hello everyone. My friend started having issues with his pc the computer would power off in any type of Gpu load cinebench opengl test or even launching minecraft would crash (black out entirely)the pc i tested the power supply using a paper clip and a multimeter everything was fine and hr also reports that his pc can be turned on for days and doesn't shutdown also i have tried cinebench cpu test and it didn't shut down any type of gpu load would shut it down also it cannot be over heating because the pc doesn't even get the chance to heat and also i was monitoring the cpu and gpu heat which gpu was 40 C and cpu was around 50 C. Please help
specs:
z97 gaming7 motherboard
2x4g corsair ram(not really sure which one)
GV-N970WF3OC-4GD graphics card
cx 750 750w corsair power supply
i7 4970k cpu
windows 10 64bit
bios version american megathreads v1.6
PS: his pc was shipped from where he used to live so maybe there is damage?