Question GPU crashing

Dec 13, 2024
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When my kid tries to render a video on blender the file just shuts down, the file works fine on a friends computer. We ran stress tests and the GPU will crash after a few minutes in a stress test. He took the GPU out of his friends computer and it also crashes in his system so I don't think it is a GPU problem.
He swapped hard drive and RAM with no change in results. Power looks very stable when running the stress test so we didn't think it was a PSU. IT was recommended be get a new motherboard so we upgraded to DDR5 RAM at the same time but issue is still there. I'm not sure if I should spend the money on a power supply first or if I should be looking at CPU even though it runs a stress test just fine.

GPU geforce 4070TI
CPU i9-13900
MOBO MSI Z790
Corsair 1000w power supply