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#1
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Can't boot from El Capitan backup
I've been having problems with my 10.11.1 update (runs very slowly) and want to do a clean install. I have SuperDuper! backups of 10.11.1 and 10.10 on my external hard drive. I did a new backup last night of 10.11.1 to prepare for the clean install. I tried to reboot from it this morning and after logging in it freezes at a black screen. Why?
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#2
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I don't know: that seems unusual. How patient have you been? Does it boot in "Safe Boot" (Shift from power on all the way to the desktop)?
I'm not sure a clean install is advised: I'd actually diagnose the problem...
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--Dave Nanian |
#3
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I waited ten minutes on the black screen and nothing happened.
I am going to try to see if the other backups are bootable before I do anything rash like erasing the internal drive. I'll check back after I've done that. |
#4
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For sure. But I wouldn't erase the drive at all without determining what's going on. A clean install is something that's almost *never* required. I can't think of the last time I did one.
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--Dave Nanian |
#5
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I found out that I can boot into my 10.10 SuperDuper! backup as well as a 10.7.5 backup.
Yesterday's 10.11.1 backup still won't boot fully although it did get past the black screen to the regular screen but then hung. I noticed now that when I start up SuperDuper! and go to the drop-down box for "On Successful Completion" that both options "Restart from ____" and "Set ____ as Startup Disk" are greyed out no matter which of the external partitions I select as Target. Whether or not I clean install I'd like to have a usable bootable backup of what I have now on my internal hard drive. Should I consider the Sandbox? (I haven't used that ever before in my years with SuperDuper!) Last edited by k8conant; 10-26-2015 at 10:24 AM. |
#6
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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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--Dave Nanian |
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