Hello All, I have a Late 2013 Mac Pro that I upgraded the CPU. Worked fine for a week then suddenly there was no display output on any of the thunderbolt & HSMI ports when I rebooted the machine. I've swapped out both GPUs (A&B) and the I/O card but to no avail. I know the computer is functioning as it chimes on boot up and I can SSH into the machine. Any ideas as to what to do next? Any help us appreciated.
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As you stated the ports are not working as well there is only one part that also connects the CPU board to both the GPU and I/O boards that’s the Interconnect. So either the CPU board cable has an issue or the board it’s self Mac Pro Late 2013 Interconnect Board Replacement
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