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After unexpected shutdown, continually restarts half way thru the boot up process, and pressing D has no effect

After shutting down unexpectedly, mini restarts halfway thru the boot up process and pressing D has no effect

Mac mini, OS X Yosemite (10.10.4), null

Posted on Jul 15, 2015 8:51 PM

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Question marked as Best reply

Posted on Jul 16, 2015 1:51 AM

Try booting to Recovery and repairing the startup disk

OS X: About OS X Recovery - Apple Support

Next reinstall the Yosemite

OS X Yosemite: Reinstall OS X

Nothing should be lost

4 replies

After unexpected shutdown, continually restarts half way thru the boot up process, and pressing D has no effect

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