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High Sierra's Disk Utility Does Not Recognize Unformatted Disks (tinyapps.org)

Posted by msmash on from the stranger-things dept.

macOS 10.13's Disk Utility 17.0 (1626) does not recognize raw drives, reads a blog post, shared by several readers. From the post: Diskutil does recognize the drive. We'll use it to perform a quick, cursory format (e.g., diskutil eraseDisk JHFS+ NewDisk GPT disk0) to make the disk appear in Disk Utility, where further modifications can more easily be made. Plugging in an unformatted external drive produces the usual alert, "The disk you inserted was not readable by this computer. Initialize... | Ignore | Eject", but clicking Initialize just opens Disk Utility without the disk appearing. There's an option in Disk Utility to view "all devices," but clicking that doesn't show raw disks, the blog post adds.

3 of 135 comments (clear)

  1. So Apple.... by Anonymous Coward · · Score: 5, Insightful

    How do you expect to format a drive to make it appear when you can't make it appear to format the drive?

    Do people think about this kind of thing anymore?

  2. Re:Apple has suffered a massive brain drain. by MightyYar · · Score: 3, Insightful

    What? Maybe System 7 was innovative. 9 was a desperate attempt to keep the ol' geezer marketable after their replacement OS effort Copeland was aborted. It was very uncertain whether or not Apple would even survive. OSX, even in it's initial craptastic state, was welcome relief.

    --
    W..w..W - Willy Waterloo washes Warren Wiggins who is washing Waldo Woo.
  3. Re:and pro hardware (imac pro) you can't change di by the_B0fh · · Score: 2, Insightful

    In other words, because you don't know, you just spout nonsense?