Thread: Can't boot from El Capitan backup
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Old 10-26-2015, 10:28 AM
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dnanian dnanian is offline
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"Hung" seems weird. I've tried booting from 10.11 many times, including just now, without any problems. Perhaps try naming the drive the same as the internal? You tried Safe Boot?

The greyed out options are due to new restrictions in 10.11: you can't do those operations in non-Apple applications any more. You have to set the drive as the startup option in the Startup Disk preference pane, and reboot yourself.

No, a Sandbox is not the right thing to have.
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