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Apple Users

RoccoR5955

(12,471 posts)

1. The installer disk that you have

Reply to eppur_se_muova (Original post)

Mon Jul 6, 2015, 02:46 PM

Jul 2015

may be in the wrong file format for that Mac.

A mac pro 2,1 seems very old. Perhaps it needs an EFI update.
If you can't see the SATA disk, probably the disk has gone south. Try a different one, just unformat it however you can.

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10 steps to take when your Mac won't start up (MacWorld UK) -- hope one works for me. [View all] eppur_se_muova Jul 2015 OP

The installer disk that you have RoccoR5955 Jul 2015 #1

It can't see ANY SATA disk. I can boot an iMac (Core2Duo) from the old System 10.7 HD ... eppur_se_muova Jul 2015 #2