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User profile for user: jeffg59
jeffg59 Author
User level: Level 1
29 points

Will not boot in safe mode HIGH SIERRA.. got a problem!

It took 2 mins to boot-up computer...when I tried to boot in safe mode...holding down SHIFT when hearing start sound, the screen stays dark but I can see my mouse arrow.

The reason I tried Safe mode is because my computer has been very very slow which I posted previously https://discussions.apple.com/thread/251603582?page=1 and was told it would help...but again a dark screen at start up.

I did run the First Aid on Disk Utility as well

I also ran etrecheck report, shows nothing! Tried using Malwarebytes…same, slow slow slow

Nothing seems to work!

iMac 27″, macOS 10.13

Posted on Jul 22, 2020 8:01 PM

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User profile for user: John Galt
John Galt
User level: Level 10
146,336 points

Posted on Jul 23, 2020 6:34 AM

That's normal in Safe Mode: How to use safe mode


Step 3.

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User profile for user: John Galt
John Galt
User level: Level 10
146,336 points

Jul 22, 2020 8:08 PM in response to jeffg59

I also ran etrecheck report, shows nothing!


I'm not sure if you mean that literally or not but if you are that's clearly bad news.


A Mac that spontaneously begins to perform poorly without having recently installed something is generally a symptom of startup drive failure. An inability to boot Safe Mode would definitively confirm that suspicion.

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Will not boot in safe mode HIGH SIERRA.. got a problem!

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