Mac Pro won't startup, I suspect the Northbridge chipI read through several threads and guides here, but I'm a little stuck on getting a Mac Pro 4,1 (single processor) to boot...
回答“Mac Pro won't startup, I suspect the Northbridge chip”Got no help here, but the Northbridge was fried… hope it helps someone else… Mac Pro Single CPU Northbridge Heatsink Repair
回答“MacPro 4,1 2009 booting first, freezing afterwards no chime no Video”Most likely similar to my issue with a 4,1 machine. The Northbridge chip is overheating. Check out this ifixit guide.