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I am trying to factory reset a 2014 MacBook Air. I erases the hard disk and restarted to reinstall the OS X Yosemite but when I get to the stage to select a disk to install on there is no disk to select. I am worried I have done something wrong. Any ideas ?

MacBook Air 13″, macOS 10.15

Posted on Sep 1, 2021 1:33 AM

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Posted on Sep 1, 2021 1:58 AM

Was this method used as per Apple Support Docs >> How to erase an Intel-based Mac


Was this method used to Reinstall as per Apple Support Docs >> How to reinstall macOS especially this portion Follow these guidelines during installation:

  • If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
  • If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.
  • If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.




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Sep 1, 2021 1:58 AM in response to JasonBME

Was this method used as per Apple Support Docs >> How to erase an Intel-based Mac


Was this method used to Reinstall as per Apple Support Docs >> How to reinstall macOS especially this portion Follow these guidelines during installation:

  • If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
  • If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.
  • If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.




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Sep 1, 2021 2:07 AM in response to PRP_53

Thanks I did erase the HD but now when I get to reinstall the OS i get past all the agree terms etc then when the OS asks to select a disk to load onto there is no selection to choose no icon of the Mac HD etc.


Thanks for replying appreciate it trying to set up my old Mac for my daters home schooling.

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Sep 1, 2021 2:14 AM in response to JasonBME

When to drive was Erased - what Re-Format was the drive given it ?? Just Easing and not reformatting to HFS Journaled with the GUID Partition Map, drive will be invisible when attempting to reinstall.


Run Repair disk also once it was erased.

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