disk utility

  1. V

    Restoring from external clone to blank SSD inside system.

    So I recently stumbled across the thread for the SSD adapter for the 2016/2017 Macbook Pro Non-touch bar: (https://forums.macrumors.com/threads/found-this-adaptor-for-2016-2017-non-touch-bar-for-ssd-upgrades.2231881/) I decided to buy the Sabrent 1tb 2242 SSD and the adapter. I'm just waiting...
  2. rhimbo

    Resolved Problems with partition sizes in Disk Utility?

    Hi folks, I'm trying to repartition an external 3TB drive. Currently I have 1 TB partition, 663 MB used space (basically not used, I think the 663 MB is the amount used in formatting) 2 TB partition, 853 GB used space (TimeMachine back ups) I'd like to create 3 1-TB partitions. So I do...
  3. F

    Resolved Clone APFS to image

    Hi all. I've got a problem which is surprisingly little discussed on the forums. I'm upgrading my MacBook Air 11" 2013 SSD to a bigger NVMe SSD and I need to have an exact copy from old to new SSD using only disk utility. Here's my plan: Clone current SSD to an image and save it on some...
  4. M

    HELP! I'm stuck after failed attempt at clean install of MacOS Catalina

    Over the years I've installed so much crapware on my computer that it just felt sluggish and contaminated to me, and I finally got up the nerve to do a clean install to start over again more 'minimalistically'. I've done clean installs many times in the past, but never on MacOS Catalina. After...
  5. oOLokiOo

    How can I make 2 bootable partition on one HDD?

    Hi everyone! I have old Macbook Pro 2009 and it not possible to boot from USB device on it. Also, I have no DVD with Mac OS under my hand... So... I made three partition in Disk Utility: - First, my Main Mac OS - "Snow Leopard" - Second, files from bootable ISO with downloaded DVD - "Lion" -...
  6. D

    One 2TB Seagate hardrive showing up as 2 drives

    Both identical drives that display they each have 500gb space available totalling 1tb. However, the whole drive is 2tb so 1tb is just 'missing' and this one drive is separated into two drives. I need to use this drive to back up my mac.
  7. F

    Recovering image in disk utility

    Why is it, that I have never been able to recover an image to a drive in Disk Utility from within High Sierra or Catalina or any other MacOS? See attachment for error message And why is it that it always does works when in recovery mode?
  8. B

    Deleted Macintosh HD, created untouchable partition and now blinking stop sign. Help a gorilla out.

    So a friend was looking into selling her Macbook Air mid 2013 to someone and came to me for help in transferring pictures from it onto an external hard drive she had bought. She was having some issues doing it herself since the drive wasn't showing up when she plugged it in, easy, so I went to...
  9. H

    Recovery Mode NOT Loading!

    Hello I recently picked up a iMac Mid 2011 27” 3.4GHz i7 1TB HDD with 16GB Ram for a $150 bucks because the person couldn’t get past the flashing question mark folder which I’ve easily fixed several times in the past before. However this time I’ve run into a new problem... The iMac does NOT...
  10. H

    Data Recovery on SSD Accidentally Restored

    Hello, This afternoon after backing up enough data from my 1TB Samsung SSD, I decided I had enough free space to create two partitions. The idea being that I was going to use Disk Utility to create a clone of the boot partition to the empty one, and then clean install Sierra onto the boot...
  11. T

    Deeply messed up APFS external ssd, what to do?

    Since, for some reason, my Disk Utility hangs every time I try to do this via "first aid", I tried vie terminal: Any ideas why the disk looks like this? diskutil verifyVolume disk2s2 Started file system verification on disk2s2 Verifying storage system Performing fsck_apfs -n -x /dev/disk2s2...
  12. supergaia

    utility disk first aid vs diskutil verifyDisk or verifyVolume Noob question

    Hi i have never used diskutil verifyDisk or verifyVolume , because i have read it could be dangerous and destructive may i ask 2 questions ? can i know the differences between disk utility first aid and diskutil verifyDisk or verifyVolume ? i have watched this video but the author doesn't...
  13. C

    Mojave - Partition / Container /Volume - Best Practices

    In an effort to reorganize my data, I want to make use of partition / volume / container. Are there any best practices in this regard? I have Mojave and use APFS encrypted. I am asking this because I want to keep OS separate from data and should have ability to reformat / reinstall OS without...
  14. L

    Hard drive format error on Macbook Pro 2012

    I have a mid 2012 Macbook pro, a few years ago I replaced the hard drive with an SSD and replaced the optical drive with the original hard drive that was in the computer using the OWC data doubler. It all worked well but then last week I started having problems with the secondary drive, whenever...
  15. O

    Disk Utility Crashes & Hangs under OSX 14.5

    Is anyone else finding Disk Utility hanging/crashing when Converting HDs to APFS even though often completes then Freezes but only shows over half way in conversion? Disk Utility also Crashing when booting with a Lacie Big Disk Array connected! Latest OSX 10.14.5 Reports being sent several times...
  16. SnarkyBear

    Change the name of an external hard drive in Mojave? Not partitions, but the actual drive itself.

    I have two identical external hard drives I wish to use on my iMac. They both show up on Disk Utility as "WD Elements 25A3 Media" I have been able to partition them as I desire, but I wish to change the names of the drives themselves so as to avoid confusion. In the good old days before...
  17. haralds

    System Disk First Aid on APFS

    I had some trouble with CCC backup disk corruption and decided to check the main system disk, a 2TB SSD on my Mac Pro 5,1. A couple of observations: - You cannot just boot into the recovery partition and run First Aid with the Disk utility. The recovery partition is a mounted container of the...
  18. iglaoftheninth

    External SSD issue: EFI partition missing after reformatting, now can't be read altogether

    (MacBook Pro 13" late 2013, 8 GB RAM, i5 2.4 GHz) Hi all! I recently got a 1 TB Seagate Backup Plus external SSD and was planning to install Mojave on it. After plugging it in for the first time, I opened Disk Utility to change the partition map from MBR to GUID and then started up the...
  19. iglaoftheninth

    External SSD issue: EFI partition missing after reformatting, now can't be read altogether

    (MacBook Pro 13" late 2013, 8 GB RAM, i5 2.4 GHz) Hi all! I recently got a 1 TB Seagate Backup Plus external SSD and was planning to install Mojave on it. After plugging it in for the first time, I opened Disk Utility to change the partition map from MBR to GUID and then started up the...
  20. D

    macOS Mojave 10.14.4 Disk Utility Problem

    I will describe the steps. 1. Open disk utility, click on upper left side , select view -> Show all devices 2. Run First Aid on Container Disk 3. Run First Aid in the subdisk under container disk. If the first aid runs without a problem try to run it again. Eventually you will get a corruption...