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mac pro 8 core
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MP 1,1-5,1 Mac Pro 2,1 Powers On but No POST, No Chime, No USB — EFI_GD LED Lit
I’m troubleshooting a Mac Pro 2,1 (Late 2007, 8-core) where the CPU sockets are soldered directly to the main logic board — so there is no separate CPU tray like in the standard tower model. The system powers on via the front panel button and can be forced off with a long press. However, it...