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Try reseating your RAM, reattaching your hdd cables. If you can't get to BIOS, it's nothing to do with a secondary hard drive.
by linuxftw 8y ago
Try reseating your RAM, reattaching your hdd cables. If you can't get to BIOS, it's nothing to do with a secondary hard drive.
- davemp 8y agoI've encountered issues that must have been BIOS bugs such as hanging before the BIOS screen with a corrupted Linux drive plugged in but working just fine with it disconnected. Trust nothing.
- cptnapalm 8y agoIt's an older Mac Pro: all UEFI and sleds rather than cables. I can try doing the RAM reseating, but the Mac Pro won't even go to EFI if it thinks there's something wrong with the RAM; how I found that out: I initially didn't know you couldn't mix 16GB sticks with other sizes but know that now.