disk utility

  1. miliuco

    [GUIDE] Repair macOS Catalina EFI partition

    Repair macOS Catalina EFI partition when from Disk Utility it is not possible to complete First Aid on the disk on which that partition is located with the message "The partition map needs to be repaired because there is a problem with the EFI partition's file system (-69766) ". Sometimes...
  2. solOS

    Cannot see internal disks in disk utility

    I have booted the Mavericks installer, and it's fine so far. In disk utility, I can see the install drive, but nothing else. I opened terminal, and ran DISKUTIL LIST, and I got a lot more disks, but none of them were my internal drive. Does anybody know how to fix this?
  3. sgarf

    Probelms in partition map

    Hello, after trying to install Windows 10 as a partition of my disk (Dualboot) it gave me an error when installing it that I did not give much importance to because I do not necessarily need Windows. But when trying to get back to a single partition with Mac, the disk utility won't let me, and...
  4. LeoElicker

    Solved > macOS Catalina - mounting disk ERROR -119930868

    What's up guys, I hope you all are fine. I'm having some trouble while trying to mount my Sata HDD on the Disk Manager, before installing the OS (This disk was previously on my MacBook Pro, but I've swapped for a SSD). I've previously installed Windows on it, but have cleaned it to NTFS. At...
  5. AaronDarklightAudio

    Disk Utility stuck loading disks

    Hi, Sorry if this is in the wrong spot. I'm running Sierra so this seemed like the place. or should it be under "Bootloader"? Build: -Motherboard: Gigabyte Z170x ATX Gaming 5 (rev 1.1)(compatible with 6th and 7th gen. intel processors) -CPU: 7th Gen. Intel Core i7 4.2GHz 7700k -RAM: Ballistix...
  6. Thomazella

    Can't use Disk utility "Image from" on Mojave Partition

    I'm just curious WHY I can't take an image from my mojave install using disk utility. I'm talking about selecting disk foo in Disk Utility and going File > New Image > Image from foo. It's grayed out. I normally use it to make a backup copy of the system before updates. Partition is...
  7. MichaelB

    Hard Drives Not Visible in Disk Utility

    Im currently doing a clean install of High Sierra and Clover. Still no success. I’m trying to wipe the harddrive to start again. The problem is that the harddrive no longer shows up in disk utility. I have attached a photo. How do I get them to show back up?
  8. Freistellheld

    Create dmg Image of High Sierra via Disk Utility

    Hi everyone, Up until macOS Sierra I backed up my boot Drive via Disk Utility from the USB install stick and created a dmg file to an external storage. How can I do this with High Sierra and its apfs file system? I tried to do so by checking the list view option at the top left corner of Disk...
  9. jacobw15

    [Solved] Cant get into the installer

    I used UniBeast 7 to make the bootable USB for Sierra, when i try to boot into the installer from clover, i get "could not allocate runtime area" error when using nv_disable=1 and dart=0, I managed to boot to the installer 1 time, when i used nv_disable=1 and slide=0 in boot args but it would...
  10. charlesbelisle

    [SOLVED] Internal SATA HDD sometimes not recognized by Disk Utility

    Hi, I'm on Sierra 10.12.6 and am pretty much impressed by the capabilities of a Hackintosh. I have a major problem though : my second drive (HDD 4 TB WD Black) is some times recognized by the OS / Disk Utility, but sometimes it isn't.. When it's connected, it often disconnect itself all by...
  11. mooreted

    Cannot Erase Drive After Unibeast Boot

    I have an Asrock Z77 Extreme 4 motherboard. I created a Unibeast thumbdrive from my High Sierra iMac (2011) at work. I can boot to the installer but when I get to Disk Utility and try to erase the drive I get the following error: "Unable to write to the last block of the device!!" I tried two...
  12. chuchutta

    [Solved] USB HDDs not showing up in Finder or Disk Utility (High Sierra)

    I have tried 2 USB HDDs with the High Sierra update. Neither show up. Both formatted in HFS+ format. Some of the posts i have read state that I need to convert it to apples new format with Disk Utilities. The only problem is, is that when I click on "Show All", all that shows is "Internal". No...
  13. Marek89

    Internal disk visible as external

    I've opened Disk Utility and noticed that all my internal disks connected via SATA III are visible as external drives (and two of them as connected by PCI). What could be a reason for that? Disk Utility by Marek89 posted Mar 3, 2018 at 1:45 AM
  14. TimDrucker

    USB 3.0 External Hard Drives not found in Finder/DU [Z170XP-SLI, 6700k]

    Hi there, I've recently finished my first Hackintosh build and I am having an issue getting my external hard drives to show up in Finder and Disk Utility. From posts I've read of people having similar problems to me, the common solution is to change XCHI Mode in the BIOS of the motherboard...
  15. filippo0002

    SATA Drives undetected in Disk Utility

    Hello, thanks to P1lgrim's help I was finally able to boot my usb installer but now disk utility is not detecting my ssd and hdd! (Samsung ssd 850 EVO 250gb) The ssd and the hdd are detected in Bios, the ssd is connected via Sata in Sata1, and hhd on sata2 & sata3 on the mobo, controller type...
  16. VinzCastle

    Create partition with disk utility

    Hello everybody! During the setup, I forget to create the partition in MS-DOS in my SSD for windows installation, can I just create it now with disk utility?
  17. Tomppaa

    Os X Sierra installer does not see SSD

    I've made a fully working USB Flash drive with Unibeast 7 and made it to Os X Sierra installer. Now the problem is that I can't see my SATA connected Ssd or even HDD with SATA connection in Disk Utility or Terminal. Tested with all possible SATA connectors in motherboard with no luck. Tried with...
  18. AengusPenguin

    [Solved] HDD not recognised by Disk Utility

    Hi, I am having issues with the booting process of my first Hackintosh. Whilst running Disk Utility (step 4.6 of the installation guide) there is no option to choose my HDD (1Tb WD blue). I have made sure all bios settings are as what they should be (AHCI for the mobo and the SATA drives...
  19. droptical

    In-OSX fix for the M.2 NVMe disk not visible in DiskUtility

    Hi all, I'm not sure if this is already well known, or where to put it, so I'll pop it here for now. I'm just installing High Sierra on a new build (i7 8700+RoG Strix-G, EVO960 M2 NVMe), and hit the snag where the (previously unused) M2 drive was not showing in Disk Utility so I couldn't...
  20. PACMAN393

    I can't partition my HDD with Disk Utility

    How's it going everyone? I have a problem with High Sierra, I need to partition my HDD but i can't. It's a Hitachi HTS547575A9E384 750 GB 5400 rpm. When I use Disk Utility, I resize my boot volume and I create a new APFS volume. When I start the process everything works okay until the part that...