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How to start disk utility on mac at startup
How to start disk utility on mac at startup






how to start disk utility on mac at startup

The order of repair in this example was Macintosh HD - Data, then Macintosh HD, then Container disk4, then APPLE SSD. We officially recommend running data recovery on your startup disk ONLY when your Mac is booted from a different drive, using external docking stations, or Disk Drill's own bootable data recovery freeware. Keep moving up the list, running First Aid for each volume on the disk, then each container on the disk, then finally the disk itself. Chances are, the Mac with the disk, where the data was lost, will be able to start from the boot drive created.

#How to start disk utility on mac at startup password

  • If you're asked for a password to unlock the disk, enter your administrator password.Īfter Disk Utility is done checking the volume, select the next item above it in the sidebar, then run First Aid again.
  • If the button is dimmed and you can't click it, skip this step for the disk, container, or volume you selected.
  • If there is no Run button, click the Repair Disk button instead.
  • Quit Disk Utility and return to the Utility Menu.

    how to start disk utility on mac at startup

    Connect your Macs via a Firewire or Thunderbolt cable. Recovery Mode makes it easy to repair your Mac's disk in situations when the machine won't. You can also enter Target Disk Mode by rebooting your Mac and holding down the T key as it boots. The built-in recovery partition on your Mac's startup disk contains recovery tools, like Disk Utility. Click the Startup Disk icon and click the Target Disk Mode button to restart your Mac in Target Disk Mode. Click on the First Aid button in the toolbar. To enter Target Disk Mode, click the Apple menu and select System Preferences. Select the indented (usually, Macintosh HD) volume entry from the side list. Choose Disk Utility and click on the Continue button.

    how to start disk utility on mac at startup

    In this example, the last volume on the disk is Macintosh HD - Data.Ĭlick Run to begin checking the selected volume for errors. Immediately after the chime hold down the Command and R keys until the Utility Menu appears. For each disk that you're repairing, start by selecting the last volume on that disk, then click the First Aid button or tab.








    How to start disk utility on mac at startup