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disk utility

  1. J

    Creating images using disk utility

    Hi community, my macbook pro can't boot up at all so I need to use macRecovery (cmd+R when turning on) and reinstall High Sierra from there. However, I'm concerned that doing so will delete my files on the HD. Unfortunately, I never once used TimeMachine. So I decided to use DiskUtility (DU)...
  2. iosmike

    OS X Base System Locked

    Background of my question: 1. I have a macmini 2012. I ran Command + R and clicked Disk Utility. I picked "Macintosh HD" , clicked "First Aid", nothing showed to fix. Then I clicked "Unmount" by mistake; 2. Now only OS X Base System shows in Disk Utility (as attached photo); 3. Now I...
  3. g2only

    .iso CD-ROM hidden files

    Ok...so, here's the deal. I made an ISO CD-ROM with Toast and made files hidden. The burned CD worked as expected in a Windows environment (7 & 10). Then I made an .iso image file of the disc to be burnt by a business partner (uploaded to google drive) and when burnt it shows the hidden files on...
  4. W

    New Hard Drive... now what?

    I was stopping in at Aldi, a German-owned semi-supermarket chain, and they have a center aisle where they offer spot specials on all kinds of non-grocery items. They were selling Toshiba Canvio Basics USB 3.0 portable hard drives (1.0 TB) for only $49. I grabbed the last one. My question: I'm...
    • Wingsley
    • Thread
    • disk utility hard disk portable hard drives sierra 10.12.6 toshiba
    • Replies: 6
    • Forum: Mac Accessories
  5. W

    Drive reading as wrong size and can't partition

    Wonder if anyone could help, as I not sure what questions I need to ask. When installing High Sierra I decided to go for a complete reinstall so backedup, deleted my bootcamp partition and created bootable usb of High Sierra. Install went fine. I then tried to recreate bootcamp for a windows 7...
  6. T

    10.13 Disk Utility not showing Partitioning Scheme Options (GUID, MBR, etc.? ) Need Help!

    Hi everyone, long time reader, never posted anything. Couldn't find anything about this anywhere, so I figured this would be the best place. Just today I came across a weird change in Disk Utitily of High Sierra in comparison to Sierra: when I erase a Volume and set it up as an NTFS partition...
  7. D

    Question regarding iCloud and deletable space in High Sierra

    Dear MacRumors community, I have a question after upgrading to macOS High Sierra on my iMac. Before the upgrade on macOS Sierra there were around 20 gigabytes marked as "deleteable" on my Macintosh HD, because I have activated the iCloud option "Optimize Storage" in the Photos app (I use the...
  8. SamIchi

    How do I create a case-insensitive disk?

    Got a new MBP, and upgraded to High Sierra on the first day. I formatted to APFS (Case-Sensitive + Encrypted). I wasn't sure which one to choose, so I just chose that one. I tried installing Adobe CC, but it can't be installed onto case-sensitive volumes. I'm not exactly competent in this stuff...
  9. dpaanlka

    Data recovery from dead G4 MDD.

    Hello All, Long ago my father's Power Mac G4 MDD died. It featured two IDE hard drives that were paired by Disk Utility in a "concatenated disk set". We've all long since moved onto modern Macs however he now realizes there are photos on there he wants to retrieve. He went out without my...
    • dpaanlka
    • Thread
    • concatenated disk set data recovery disk utility firewire ide
    • Replies: 8
    • Forum: PowerPC Macs
  10. P

    Clearing macbook white mid 2010 os x 6.8 without installer disk?

    Hello. I'm clearing my macbook in order to to sell it on. I don't have the installer disk anymore but I reinstalled mac os x by pressing cmd+s on startup and entering commands which was successful. The part I am still struggling with is on Disk Utility: the option to erase is greyed out and...
    • poiuysminty
    • Thread
    • disk install disk utility install macbook osx osx10.68 uninstall
    • Replies: 0
    • Forum: MacBook
  11. Tesla1856

    Formatting flash-drives always fails the first time

    For some reason, I have to erase and format all my flash-drives twice, because it fails the first time. It happens on all USB ports in back of Mac-Mini and with different Lexar and Verbatim USB flash-drives. Seems to always fail the first time, then completes the second time. They format on my...
  12. I

    Disk Utility fails to show any disks

    Mac mini (late 2012) 10.12.5 upgraded to 10.12.6 (via App Store) Finder does not show any connected external disks (USB drives); only internal HDD Disk Utility displays "Loading Disks" message and NO info on disks (internal or external) is shown Before the upgrade I had no such problems What an...
  13. ascender

    2016 MBP - Can't install Bootcamp due to disk errors

    I need to install Windows on my MBP (13" TB, 16GB RAM) for some resource-hungry software which I can't run in a VM. However, every time I go to partition my disk within Bootcamp, I get told there's errors which need to be fixed with Disk Utility before I can proceed. Reboot in Recovery Mode...
  14. F

    Unable to erase new external hard drive

    I just bought an external hard drive (Silicon Power Shockproof 1T drive) as a backup drive. I want to partition half of it for Time Machine and half of it as storage. I started up Disk Utility and the partition button is grayed out. After looking through the forums, I realized I had to erase...
  15. W

    Is an image created by Disk Utility sector-by-sector?

    I need to make a sector by sector mountable image file of a USB drive that will allow recovery of deleted files. I'm not looking to simply put every file into a DMG. Will the DMG created by Disk Utility copy all sectors, including empty ones? I've searched extensively and what I'm finding is a...
    • winkosmosis
    • Thread
    • block clone disk drill disk utility diskdrill diskutil hard drive sector
    • Replies: 1
    • Forum: macOS
  16. W

    ExFAT formatted SD card not recognizing space

    I'm trying to Homebrew my Nintendo Wii, and a 2 GB or under SD card is required. However, the Wii will also recognize 4 GB cards if enough junk is put on it. I'm attempting to do this with my Optima 4GB SD Card on Mac OS X, El Capitan (v. 10.11.6). After formatting it to ExFAT, I put a 1.28 GB...
    • weab00
    • Thread
    • disk utility exfat format formatting macbook pro
    • Replies: 3
    • Forum: Mac Pro
  17. A

    DiskUtility 10 patch for Sierra

    I am using 10.12.4. I am annoyed with the current Disk Utility, so I would like to also keep a copy of the Yosemite Disk Utility. It turns out that you can bypass the Mac OS version check by changing one CPU instruction as per this guide...
  18. D

    Sierra disabled password requirement on DiskImages ?

    Hi! In the last round of updates, it seems Apple has decided I no longer need to enter a password to open my encrypted (dmg) disk images. I can now open them without having to enter my password! How did this happen ?! I use encrypted disk images as an extra layer of security, but that seems to...
  19. gabrieljones10

    External HD Suddenly not writeable

    Hi, Just to be clear, I'm not super savvy with this stuff...so be gentle. I'm on a mid 2015 MBP running Sierra 10.12.3. I just purchased and plugged in a USB hub (Sabrent 4-Part USB 3.0 Hub -- here's the Amazon link...
  20. U

    In-session disk utility finds corruption but recovery mode doesn't?

    Hi, Macbook Pro Late 2013 user. When I run disk utility on my main drive it finds corruption and asks me to go on to recovery mode to fix it. Problem is: I go on to recovery mode, run disk utility and it says there's no problem! What's going on?!
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