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Software update has rendered iMac retina useless
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Fresh-Faced Recruit
Join Date: Feb 2015
Status:
Offline
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Updated iMac with yesterday's updates.
I can no longer start my Mac even in safe mode.
1. After update the following happened. Mac booted.
No access to keychain, curious dialog box stating about caller denied only apple products can acess security agent, outlook would not start and could not find data base, drobo access denied, parallels would not start stating a out of storage issues despite 250gb avail.
Restarted 2 times things deteriorating each time.
Now I can not even boot into safe. Chime hold shift.
27imqc retina, 16gb ram, 1.1 RB Hd.
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Managing Editor
Join Date: Jul 2012
Status:
Offline
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Looks like a hosed update. Time to reinstall the OS, I think.
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Administrator  Join Date: Jun 2000
Location: California
Status:
Offline
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Boot into the Recovery partition by holding command-R during startup. From there you can verify the main drive and/or reinstall the OS.
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Fresh-Faced Recruit
Join Date: May 2015
Status:
Offline
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Sorry about your issues. That is one reason why I prefer to download the updates myself (when possible), and install them at my leisure. For the most recent OS 10.10.4 update, there is a Combo Updater available, as a separate download (don't need to use Software Update and/or go to the Apple Store). The same is true for the latest version of iTunes.
So, assuming you boot into Recovery Mode and use Disk Utility there to 1) Verify and Repair the disk at the Volume (ie, top) level, and 2) Verify and Repair Permissions, and Verify and Repair the Disk at the Partition (ie, second) level, that could resolve your issues. If you need to re-install the OS, it might be "OK" to do it directly. But, if you need to Erase, Format, and Partition your internal drive, it would be best if you first have a backup of everything, so that after installing the OS, you can use Migration Assistant to migrate all your other non-system applications, files, folders, etc.
Note that re-installing the OS gets you to OS 10.10.
By the way, you can get the latest updates as follows:
OS 10.10.4 Combo Updater: https://support.apple.com/kb/DL1820?locale=en_US
iTunes 12.2: https://support.apple.com/kb/DL1814?locale=en_US
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