- #Mac os high sierra unable to unmount volume for repair mac os x#
- #Mac os high sierra unable to unmount volume for repair update#
- #Mac os high sierra unable to unmount volume for repair password#
Your Mac restarts from your Fusion Drive when done.
Choose Reinstall macOS, then follow the onscreen instructions to reinstall the Mac operating system. #Mac os high sierra unable to unmount volume for repair update#
I went through update after update until there were no more updates.
#Mac os high sierra unable to unmount volume for repair mac os x#
When Terminal indicates that the operation was successful, quit Terminal to return to the macOS Utilities window. ZSMJ External DVD Drive, USB 3.0 Portable CD DVD +/-RW Burner Slim DVD/CD Writer Player High Speed Data Transfer Optical Drive for MacBook Air, MacBook Pro, Mac OS, PC Laptop (Sliver) Rioddas External CD Drive, USB 3.0 Portable CD/DVD +/-RW Drive Slim DVD/CD ROM Rewriter Burner Compatible with Laptop Desktop PC Windows Linux OS Apple Mac(Black). If you are trying to upgrade or install the latest version of Mac OS X High Sierra, you may be greeted with an unwelcoming message if you attempt to At this time, you will have to wait for Apple to fix this in a new build of Mac OS X 10. Then press Return.ĭiskutil cs createVolume logicalvolumegroup jhfs+ Macintosh\ HD 100%Įxample: diskutil cs createVolume 8354AFC3-BF97-4589-A407-25453FD2815A jhfs+ Macintosh\ HD 100% Type the following command, replacing logicalvolumegroup with the number you found in the previous step. Find the string of numbers that appears after ”Logical Volume Group” for the volume named Macintosh HD. Terminal displays additional data about your drives (volumes). Type diskutil cs list, then press Return. Then enter same command again using the second identifier. If you get a disk unmounting error, enter diskutil unmountDisk identifier, using the first identifier you gathered previously. Upon finition, smartly unmount OS X Base System disk under 'Disk Images' in Disk Utility. If so, type it in and click ok then wait. #Mac os high sierra unable to unmount volume for repair password#
You might need your password to complete this task. Then press Return.ĭiskutil cs create Macintosh\ HD identifier1 identifier2Įxample: diskutil cs create Macintosh\ HD disk0 disk1 You should see 'Restore from: OS X Install ESD' click on 'OS X Install ESD' and choose 'OS X Base System' from the dropdown menu.
Type the following command, replacing identifier1 and identifier2 with the identifiers you found in the previous step. One of them should be 128GB or less in size. Usually the identifiers are disk0 and disk1. In the IDENTIFIER column, find the identifier for each of the two internal, physical drives that make up your Fusion Drive. Terminal displays a table of data about your drives. Type diskutil list in the Terminal window, then press Return. When you see the macOS Utilities window, choose Utilities > Terminal from the menu bar. Turn on your Mac, then immediately press and hold Command-R to start up from macOS Recovery. Release the keys you see the Apple logo or spinning globe.
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