bigdop
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Q: Can't rename Mac's Hard drive

My grandparents have a Mac Mini. I went over to their house one day to see their hard drive named "˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚˚≤                           ˚≤≤......00................." (minus the quotes.) Every time I try to rename it, even to something as simple as "hi", finder says I can't use that name. The reason this is such a big deal is that the installer for PKGs doesn't recognize it as a valid drive, so it doesn't show up.

This computer is running OS X Yosemite.

Mac mini, OS X Yosemite (10.10.4)

Posted on Aug 8, 2015 4:39 PM

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bigdop

Q: Can't rename Mac's Hard drive

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  • by Allan Eckert,Helpful

    Allan Eckert Allan Eckert Aug 8, 2015 4:41 PM in response to bigdop
    Level 9 (53,700 points)
    Desktops
    Aug 8, 2015 4:41 PM in response to bigdop

    How is the disk drive formatted?

  • by bigdop,

    bigdop bigdop Aug 8, 2015 4:46 PM in response to Allan Eckert
    Level 1 (0 points)
    Aug 8, 2015 4:46 PM in response to Allan Eckert

    It's a "Logical Partition" according to Disk Utility. (Also, I did try Verifying and Repairing the disk, but it didn't seem to help, and there were no errors according to Disk Utility.)

  • by Allan Eckert,

    Allan Eckert Allan Eckert Aug 8, 2015 4:51 PM in response to bigdop
    Level 9 (53,700 points)
    Desktops
    Aug 8, 2015 4:51 PM in response to bigdop

    I was referring to is format, such as Mac Os Extended or NTFS.

  • by bigdop,

    bigdop bigdop Aug 8, 2015 4:54 PM in response to Allan Eckert
    Level 1 (0 points)
    Aug 8, 2015 4:54 PM in response to Allan Eckert

    That's a mighty fine question. (I haven't used a Mac in 4 years.) How do I find it? It's not at the bottom of disk utility. It shows "Name: bla bla, Type: Logical Volume Group, Disk Status: Online", but that's pretty much it.

  • by bigdop,

    bigdop bigdop Aug 8, 2015 5:08 PM in response to Allan Eckert
    Level 1 (0 points)
    Aug 8, 2015 5:08 PM in response to Allan Eckert

    I would assume Mac OS Extended, but I can't say for sure.

  • by Linc Davis,

    Linc Davis Linc Davis Aug 8, 2015 10:04 PM in response to bigdop
    Level 10 (207,995 points)
    Applications
    Aug 8, 2015 10:04 PM in response to bigdop

    Are you using FileVault and/or Fusion Drive?

  • by bigdop,

    bigdop bigdop Aug 9, 2015 8:06 AM in response to Linc Davis
    Level 1 (0 points)
    Aug 9, 2015 8:06 AM in response to Linc Davis

    No, FileVault is disabled. And yes, according to this website, I have a Fusion Drive. It's a late 2014 Mac mini.

  • by Linc Davis,

    Linc Davis Linc Davis Aug 9, 2015 9:36 AM in response to bigdop
    Level 10 (207,995 points)
    Applications
    Aug 9, 2015 9:36 AM in response to bigdop

    Apple has not provided an easy way to recover from this condition. If you don't feel able to carry out these instructions, get someone more experienced to help you. One option is to make a "Genius" appointment at an Apple Store.

    You need at least two complete, independent backups of all data before proceeding. There are ways to back up a computer that isn't fully functional. Ask if you need guidance.

    Start up in Internet Recovery mode by holding down the key combination command-option-R at the startup chime. Release the keys when you see a spinning globe.

    Note: You need an always-on Ethernet or Wi-Fi connection to the Internet to use Recovery. It won’t work with USB or PPPoE modems, or with proxy servers, or with networks that require a certificate for authentication.

    In the OS X Utilities screen, select

              Utilities ▹ Terminal

    from the menu bar at the top of the screen—not from any of the items in the OS X Utilities window.

    Follow the procedure in this thread to split up the Fusion Drive. The long string of letters, numbers, and dashes that you will have to enter will be different in your case. Copy and paste it from the Terminal window into the command.

    This operation will remove all data from the Fusion Drive, so you had better be sure of your backups.

    Quit Terminal, then repair the Fusion Drive (see under "Troubleshooting" on the linked page.)

    Quit Disk Utility. You should then be able to install OS X and restore your data from a backup in the main screen.