Hard drive not showing on Mac

Problem

Your hard drive partition is not showing up on your Desktop or in the Finder,

Solution

Try the following:

  • Mount the drive
    1. Press cmd + Spacebar to bring up the Spotlight search.
    2. Type Disk Utility and press Enter.
    3.  On the left, you should see the hard drive. Right click it and click the Mount option.
  • Use Applescript to make the drive visible and relaunch the finder
    1. Press cmd + Spacebar to bring up the Spotlight search.
    2. Type AppleScript Editor and press Enter.
    3. In the editor, copy and paste the following text:
      tell application "System Events"
      set visible of disk "Disk Name" to true
      end tell
      Make sure to replace Disk Name with the name of the drive.
    4. Press the Run button.
      If an error appears, check the name of the drive by running Disk Utility (see above).
    5. Click the Apple icon in the top left of the screen.
    6. Click Force Quit…
    7. In the Force Quit Applications window, click on Finder.
    8. Click the Relaunch button below.
    9. Quit the AppleScript Editor and Force Quit Applications window.

6 comments

  1. This is not my situation but is close to what I’ve searched for. I have a 100GB hard disk in an external case, which usually I mount directly via the USB port, but when I need the backup, of course!, it doesn’t mount – doesn’t show in Finder. Nor does Disk Utility see it. I’ve, force-relaunched Finder, and have restarted the Mac [OS 10.6.8], each in vain. The same USB port allows me to mount a “thumb drive” however. Advice please; sorry if I’ve written in an inappropriate location in fixkb.

  2. Super answer with the AppleScript. THANK YOU!!
    Now if I only knew how they drives got hid in the first place. . . But THANKS again for helping me out!!!

  3. Worked in Mountain Lion when everything else failed. Goodness knows how the volume got hidden in the first place, but the AppleScript thing sorted it out. Thanks!

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