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Aporte original por: Evan Shortiss ,


It appears it can be something on the board too. Maybe a SATA controller problem? I have replaced the drive and cable in the same 2011 MacBook Pro and it gets the question mark issue.

Interestingly, there’s a workaround for me. I leave it sit at the question mark for a ~2 minutes, then I reboot. On the reboot it works. My guess is something needs to be “warmed up” in my specific scenario.