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...
Réponse à : « 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
Réponse à : « 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.