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Question: MacBook Pro Dying After High Sierra Release

I have a mid 2012 13” MacBook Pro and I downloaded High Sierra 13.10.2 yesterday and basically it looks like the OS update was too much for my machine. In disk utility the Mac HD shows 99.09 gb of 489.9 full but the Apple HDD partition shows 499.55 of 500.11 used 😡


I don’t have a lot of files on the machine; I am not a gamer. The machine was working fine before I downloaded any of the High Sierra versions (which now I wish I never did).


HELP! I am stuck. I have a Mac I can’t use and I’m pretty frustrated. I went with MacBook because I didn’t want to deal with Windows issues any longer. I don’t know enough to *do* anything with the machine other than probably make the problem worse (I was considering erasing the partition but then when I reinstall the OS I’m still stuck with High Sierra so I don’t gain anything by doing this).


Sorry to be verbose but I am looking at a proverbial brick wall here. Thanks for any tips you can provide.

MacBook Pro (13-inch Mid 2012), iOS 10.3.2

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Dec 11, 2017 4:02 AM in response to socks0807 In response to socks0807

Disk Utility reports different information if the drive uses Core Storage. With Core Storage, you have a "container" which is the physical disk whose size is the capacity. In the container is a logical storage unit whose capacity is the amount of data currently stored. Hence, two different capacity reports. They only appear to be conflicting.


APFS, the new file management and formatting system is a bit like Core Storage in that there is a physical disk on which there is a container that includes the logical volume and three other, small volumes.


You really don't have to know all that stuff. Disk Utility knows it as does OS X. All you need know is how much storage space is available. That you can find using what I outlined in my earlier post - Get Correct Storage Information.

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Dec 9, 2017 2:48 PM in response to socks0807 In response to socks0807

How do you have 99GBs free then no GBs free on the same drive with no changes? Do you know what you are looking at?


Get Correct Storage Information


Do not use the information from the Storage section of the About This Mac dialog. Ignore the Storage information as it is typically wrong. To find out the correct information for any disk: Select a Desktop disk icon. Press Command-I to open the Get Info window and look at the topmost panel displayed. You will find the disk information displayed for Capacity, Available, and Used. If you have more than one disk/partition then repeat for each one on your Desktop.


So, after doing the above how much space is Available? Why can't you use the computer? If you have bricked it and it won't boot up then you should do the following:


Install El Capitan or Later from Scratch


Backup if possible before continuing.


  1. Restart the computer. Immediately after the chime hold down the CommandandRkeys until the Apple logo appears. When the Utility Menu appears:
  2. Select Disk Utility from the Utility Menu and click on Continue button.
  3. When Disk Utility loads select the volume (indented entry, usually Macintosh HD) from the Device list.
  4. Click on the Erase icon in Disk Utility's main window. A panel will drop down.
  5. Set the Format type to Mac OS Extended (Journaled.)
  6. Click on the Apply button, then wait for the Done button to activate and click on it.
  7. Quit Disk Utility and return to the Utility Menu.
  8. Select Install OS X and click on the Continue button.


Dec 9, 2017 2:48 PM

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Dec 10, 2017 4:43 PM in response to Kappy In response to Kappy

Thank you for the reply. The storage info I took was from the Disk Utility menu (command+R is how I started it) and I was also confused by the conflicting information (how can the partition be at capacity but the disc not be?). I don’t have a back up so I don’t know if I can get El Capitan but I did finally give up the ghost and am erasing the disc. I couldn’t get past my log in window which is why I decided to erase it. I am surely hoping this helps. If not then I guess I’ll end up at the Apple store which, especially during the holiday season, I don’t look forward to.

Dec 10, 2017 4:43 PM

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Dec 11, 2017 4:02 AM in response to socks0807 In response to socks0807

Disk Utility reports different information if the drive uses Core Storage. With Core Storage, you have a "container" which is the physical disk whose size is the capacity. In the container is a logical storage unit whose capacity is the amount of data currently stored. Hence, two different capacity reports. They only appear to be conflicting.


APFS, the new file management and formatting system is a bit like Core Storage in that there is a physical disk on which there is a container that includes the logical volume and three other, small volumes.


You really don't have to know all that stuff. Disk Utility knows it as does OS X. All you need know is how much storage space is available. That you can find using what I outlined in my earlier post - Get Correct Storage Information.

Dec 11, 2017 4:02 AM

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Question: MacBook Pro Dying After High Sierra Release