Repair OSX Bootup

When you get a mac computer that is failing to boot up and it is giving you the apple logo, a spinning wheel, and a loading bar at the bottom that indicating it’s trying to load before shutting itself down completely, try the following steps to repair the disk.

  1. Boot up your computer while holding down Command+R . This will boot you into a diagnostic mode.
  2. Select the Disk Utility option.
  3. Select your hard drive (it will probably be called Macintosh HD), and click “Verify Disk.” Wait for Disk Utility to finish running.
  4. If problems pop up, click “Repair Disk.”
  5. Restart the computer

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