High Sierra no boot but fixed

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Level 6

13,677 points

High Sierra no boot but fixed

I've been running HS for about a week and no major issues. This morning when booting up all I get is the progress bar and then stall. Tried to boot from my external HS clone and same thing. Then tried a boot using my old saved Sierra external drive and no issues. Then used Disk Utilities and Repair disc, errors found, fixed on both discs and now both HS drives work normal. I find this very strange because i have not added any Apps or made any file changes over the last two weeks. Why now boot failure with HS is anyone's guess. Guess the Repair Disc program works.

Posted on Dec 11, 2017 9:06 AM

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Answer 1

Mac_slide

Level 3

605 points

Dec 11, 2017 9:43 AM in response to tbirdvet

It was a 'clone'

Had you stay logged in all the time like I DO,

or had you been powering off and on daily?

OR, it could be like what happened on one of my first MB's was that there were several things going bad on the computer and it corrupted the working system.

I wouldn't worry about an occasional strange thing, I'd be more concerned when things happen more steady. Do what you can do, and occasionally reboot if you leave it on all the time, and it doesn't hurt to power off occasionally or once and while flush your pram or boot into safe boot... booting into safe boot (holding SHIFT while booting) is probably one of the best - once a month or every week whatever your protocol and usage dictates - routines.

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Answer 2

tbirdvet Author

Level 6

13,677 points

Dec 11, 2017 2:16 PM in response to Mac_slide

My internal SSD is not a clone. It was upgraded from Sierra to HS. I usually shut down my Mini nightly. Just found another discussion where others are having the same issue. This is very strange and not good at all. See this link:

Progress Bar Stuck on 100% on boot High Sierra

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Answer 3

tbirdvet Author

Level 6

13,677 points

Dec 11, 2017 2:34 PM in response to tbirdvet

Correction I meant to say I used First Aid (not Repair Disc) in Disk Utilities.

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