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erase failed

  1. T

    Cannot erase a volume in recovery mode

    I erased a Fusion Drive in an old iMac from Recover mode (lost passwords) and was then installing from a TimeMachine backup, starting from Recovery Mode. After copying over about 130Gb, for some reason the iMac shutdown. I tried restarting, but it shuts down midway during boot. Then I went...
    • TassosP
    • Thread
    • disk utility erase failed fusion dirve
    • Replies: 1
    • Forum: macOS
  2. Teenso

    MBP Mid-2015 "An error occurred while preparing the installation. try running application again."

    So I'm trying to erase and format the computer back to basic as it came when I bought it. I'm running into some issues. I have done both Internet recovery and Recovery mode and when choosing reinstalling MAC OS I go through the steps and when it's almost done I get the error message seen on...
    • Teenso
    • Thread
    • erase failed mbp 15 2015 reinstall format
    • Replies: 1
    • Forum: MacBook Pro
  3. mediummacknowledge

    Urgent! Accidentally erased Macintosh Data but I run on an M1. Now there’s no disk to reinstall big sur and my work laptop is a vegetable

    Getting straight to the point, the main difference in the process of erasing Macs for intel and for Apple silicon is that you’re supposed to press the minus button (-) undef volume for Macintosh Data when erasing an Intel chip. I did this and now my sidebar looks like this: When I tried to...
  4. C

    Disk locked, can't install OS

    I have a 2007 iMac and wanted to do a factory reset. From Reinstall OS X, the only disk listed to install OS X is Recovery HD, which is locked. When trying to Erase my hard drive in Disk Utility, the erasing process fails. My iMac is too old to boot from Internet Recovery Mode. Any ideas on what...
    • chores
    • Thread
    • 2007 imac cannot reinstall os deleted hard drive erase failed locked disk
    • Replies: 5
    • Forum: iMac
  5. G

    Accidentally erased my 64gb usb sandisk with FAT instead of exFAT

    I accidentally erased my 64gb usb sandisk with FAT instead of exFAT. Now it says "The disk you inserted was not readable by this computer" and I can't recover it in any way. sudo diskutil list returns: sudo gpt -r show /dev/disk2 returns sudo fdisk /dev/disk2 returns #: id cyl hd sec -...
  6. nerdymama

    late 2009 iMac HD wont erase, caused by human error

    Hello everyone. Sorry to waste you guys time but I hate to sound slow, or retarded but I'm just ill informed about Apple products. My husband made us all switch and it has really been great up until I tried to reset my iMac and do it the wrong way. I have to be thorough in my description of my...
    • nerdymama
    • Thread
    • 2009 imac disk utility erase failed error hd restore imac
    • Replies: 4
    • Forum: iMac
  7. N

    HD has no name

    I was in the process of erasing the HD on my old IMac (late 2008) prior to giving it away to a good cause. Was doing the highest level of erase as there had been some sensitive material on the system. On pass 4 of the erase there was a power failure. When I restarted the IMac the and tried to...
    • NigelGordon
    • Thread
    • erase failed imac no disk name
    • Replies: 8
    • Forum: iMac
  8. MacConvert2007

    Hard Drive Crashed; Erase Drive Failed

    I have a mid-2009 MacBook Pro running OS X 10.11.6 with a 1.5 TB hard drive. It stopped booting up correctly, crashing about halfway through startup each time. At least I have time machine backups on an external drive. Tried to boot up in safe mode but it powers down about halfway through...
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