Yosemite won't boot after permissions change on Macintosh HD

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Level 1

1 points

Yosemite won't boot after permissions change on Macintosh HD

I did something wrong. Went to Macintosh HD, get info and change the Everyone field to No Access. The mac starts acting weird, then forced reset and it won't boot anymore, freeze at grey screen. Any ideas? I repair permission from Disk Utility then restarted with no luck. Thanks a lot for any tip.

Posted on Mar 20, 2015 9:54 AM

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Answer 1

Eric Root

Level 10

684,039 points

Mar 20, 2015 12:00 PM in response to nicolasm

Startup - Gray, Blue or White screen at boot, w/spinner/progress bar

Startup - Gray Screen

Startup Issues - Resolve

Startup Issues - Resolve (2)

Startup Issues - Resolve (3)

If all the above fail, boot to the Recovery Volume (command - R on a restart or hold down the option/alt key during a restart and select Recovery Volume). Run Disk Utility Verify/Repair and Repair Permissions until you get no errors. Then re-install the OS.

OS X Recovery

OS X Recovery (2)

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