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Question: MacOS High Sierra Installation Failure

My MacBook Pro 13"shut down before completing the latest automated update of MacOS. Error message reads:


Cannot find "/System/Installation,Packages/OSinstall.mpkg" and "restart"


If restarted, the Apple appears with the moving horizontal bar, pauses at 99% then reboots and repeats the error message.


I am now rebooted into Recovery Mode, but I am traveling without a MacOS thumb drive.


Can I download MacOS to this computer in Recovery Mode?


Thanks.

MacBook Pro TouchBar and Touch ID, iOS 11.2.6

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Feb 28, 2018 10:59 AM in response to aviax In response to aviax

Install El Capitan or Later from Scratch


If possible backup your files.


  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 APFS (SSDs only) or 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.


This will install the version of OS X you had installed.

Feb 28, 2018 10:59 AM

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Question: MacOS High Sierra Installation Failure