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FORUMS General Gear Talk Computers 
Thread started 27 Oct 2017 (Friday) 01:15
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Stuffed my imac

 
fordmondeo
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Oct 27, 2017 01:15 |  #1

Hello:

OS High Sierra.

I was formatting my mac hard drive via command R at start up and the mac utilities that show up post boot.
It was on it's second erase pass of 3 when I inadvertently interrupted the power supply.
Now the stupid computer won't reinstall the os.

Any suggestions for a home fix?


Vaginator9000

  
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nqjudo
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Oct 27, 2017 05:04 |  #2

If you have access to another Mac you can create a bootable installer on a flash drive. You can Google for instructions. It's pretty straightforward.


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Left ­ Handed ­ Brisket
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Oct 27, 2017 06:22 |  #3

Yup, you are probably going to need an external bootable drive. Can be flash or regular HD. Seems like Drive Genius includes a bootable CD, but I'm not sure about that.

Obviously too late for this now, but always create a bootable drive before messing with low level formatting.

What was the reason for formatting?

It might need a new internal HD now, sometimes that kind of failure is fatal.


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fordmondeo
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Oct 27, 2017 06:30 |  #4

Thanks guys.

I was cleaning up the system as it was running really slow.
I have a dual back up system so I did not lose any data.

The internal HDD is visible and still has the original partition but it just won't re-install high sierra (or anything)


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Left ­ Handed ­ Brisket
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Oct 27, 2017 06:46 |  #5

fordmondeo wrote in post #18482123 (external link)
Thanks guys.

I was cleaning up the system as it was running really slow.
I have a dual back up system so I did not lose any data.

The internal HDD is visible and still has the original partition but it just won't re-install high sierra (or anything)

So you are booted from an external drive?

Have you launched/run the included Mac Drive Utilities?


PSA: The above post may contain sarcasm, reply at your own risk | Not in gear database: Auto Sears 50mm 2.0 / 3x CL-360, Nikon SB-28, SunPak auto 322 D, Minolta 20

  
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fordmondeo
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Oct 27, 2017 06:47 |  #6

Left Handed Brisket wrote in post #18482128 (external link)
So you are booted from an external drive?

Have you launched/run the included Mac Drive Utilities?

Next thing on my list.
It only finished installing on the external drive 5 minutes before I left for work.


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Tony-S
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Oct 27, 2017 07:42 |  #7

fordmondeo wrote in post #18482123 (external link)
Thanks guys.

I was cleaning up the system as it was running really slow.
I have a dual back up system so I did not lose any data.

The internal HDD is visible and still has the original partition but it just won't re-install high sierra (or anything)

If you've booted from one of your backups, I'd reinitialize the internal drive with Disk Utility, then use Carbon Copy Cloner to clone the backup to the internal drive.


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fordmondeo
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Oct 28, 2017 10:01 |  #8

YAY! Sorted. Thanks all.


Vaginator9000

  
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Stuffed my imac
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