Guest Ofpaintandpoly Posted December 6, 2021 Posted December 6, 2021 I’ve been having issues with my 2009 Mac Pro. Where it will shut off randomly, turn back on, shut off, repeat.. I have a 2009 Mac Pro flashed to 5,1 with dual 3.43ghz processors (12 core) 32gb of ram, the original nvidia 512 GPU in slot 3 and an AMD RX580 in slot 1. Troubleshooting methods I’ve tried: -The hardware elimination test. Everything checked out okay.. -Repasting and replacing heat sink supports over northbridge diode. It doesn’t seem like an overheating issue. MacFans has... Read more Source: MacRumors
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