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Failed Time Machine Backup

What do I do? ERROR MESSAGE " TM couldn’t complete backup to Passport for MAC because error occurred while creating backup folder”


Running Sierra 10.12.6

iMAC mid 2011and will not upgrade software

iMac 21.5″, macOS 10.12

Posted on Jul 20, 2020 11:45 AM

Reply
Question marked as Apple recommended

Use Disk Utility to format the drive:


Drive Preparation - El Capitan or Later


  1. Open Disk Utility in the Utilities' folder.
  2. After Disk Utility loads select the drive (out-dented entry with the mfgr.'s ID and size) from the side list. 
  3. Click on the Erase button in the Disk Utility toolbar. A panel should drop down.
  4. In the drop down panel set the partition scheme to GUID. Set the Format type to Mac OS Extended (Journaled.)
  5. Click on the Apply button and click on the Done button when it is activated.
  6. Quit Disk Utility.


Posted on Jul 20, 2020 11:49 AM

3 replies
Question marked as Apple recommended

Jul 20, 2020 11:49 AM in response to techBOZO

Use Disk Utility to format the drive:


Drive Preparation - El Capitan or Later


  1. Open Disk Utility in the Utilities' folder.
  2. After Disk Utility loads select the drive (out-dented entry with the mfgr.'s ID and size) from the side list. 
  3. Click on the Erase button in the Disk Utility toolbar. A panel should drop down.
  4. In the drop down panel set the partition scheme to GUID. Set the Format type to Mac OS Extended (Journaled.)
  5. Click on the Apply button and click on the Done button when it is activated.
  6. Quit Disk Utility.


Failed Time Machine Backup

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