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  1. Juliana julianaa

    I tried installing big sur on my MacBook air 2012 and damaged my Mac !!

    I tried to install Big Sur on my MacBook air 2012 and i something went wrong. When i tried to install high Sierra again it takes me only to Mountain Lion instead, i installed mountain lion and tried to update but i had a problem. The app store doesn't work, itunes or any other app related to...
  2. JippaLippa

    Black Magic Disk Speed Test alternative, for testing disk speed

    Hello. I'd like to know if there's an alternative software (even paid) to the free Blackmagic Disk Speed test I can get for my mac. The reason I'd like a second test is that I sometimes experience weird behaviours with some SSDs, and this has been the same on different macs and different new...
  3. E

    Mac fails to anyhow partition the disk

    I've tried every guide I could find, reddit, apple support. Nothing works. I've tried partitioning through the terminal, and disk utility. Both give the same error.
  4. Yuyang Wu

    How to merge two series-separated partitions in one hard disk.

    Hello I have an external 500G disk and there are two partitions inside currently, first one is APFS for storage document and second one is macOS(HFS+) for time machine backup. Now I'd like to move some space from the backup to document partition, however, I couldn't merge the third partition...
  5. C

    Two Macintosh HD showed on my desktop after Catalina downgrade

    Dear all, I installed Catalina 10.15.4 hoping that's some problem found in 10.15.3 where solved. Unfortunately after that my Macpro refuse to go auto sleep and sometimes it woke up unexpected. So I used Time Machine to restore my Mojave installation. Now I have a problem: two disk showed on...
  6. X

    "The disk you inserted was not readable by this computer"

    Hello all, I have a 4TB drive that I have been using for about one year and half. It worked fine until this morning, when I unplugged it after selecting Force Eject and plugged it in again, it shows "The dish you inserted was not readable by this computer". Both my macbook and iMac indicated...
  7. S

    Disk Utility crashed while partitioning, can't boot into or restore MacOS

    Hi all, I have an iMac 14,1 with a 1TB HDD, formerly running Mojave. I was creating a partition for a Linux installation when Disk Utility crashed. I reopened it to find that the partition for Linux exists but is in APFS format, and my MacOS partition has been renamed to disk0s2 with 'unknown'...
  8. D

    Please help fix hard drive!

    Hi all, I could really do with your expert knowledge right now, I would be beyond grateful, I've been freaking out a bit :/ So yesterday I was working on a photoshop file I keep saved on an External HDD, nothing unusual, but after I saved the file and quit photoshop I navigated to the file's...
  9. supergaia

    can you please tell me when you start your mac the ammount of disk writting?

    hi maight you please tell me when you start to imac ,macbook and you leave idle for 10 or 15 minutes the ammount of MB or GB via activity monitor please? thanks
  10. T

    The lost space, partition gone.

    Hey lads, I've been dual booting Linux for a while now, which I partitioned myself using diskutil commands. So the process for me to setup Linux took a while but everything worked out perfectly, util now. So I was interested in doing a fresh install of MacOS and dedicate the entire drive for...
  11. P

    Unrecoverable Partition, Mac APFS Disk Unmounted

    Suddenly i am unable to login with my normal user id, i booted into recovery trying to repair the disk but the disk utility are not showing my container. I then managed to installed the OS again on another apfs volume, everything working great until i notice my memory pressure shooting up to...
  12. I

    SMART Status not available :(

    After recently upgrading to High Sierra 10.13.6 (Late 2009 iMac), things don't look quite right in Disk Utility. When I open DU, I now only see one internal volume (where there used to be 2: I believe they were the root plus the formatted partition). The volume that appears now does not show an...
  13. traffens

    Problems installing new HDD

    I have a mid 2012 macbook pro that had a corrupted hard drive. I'm trying to install a new hard drive. I got a 500GB 5400RPM drive. I erased it and formatted it as journaled using my current 2013 MBP. After plugging it into the 2012mbp, I try to install Mojave using an external booter. I begin...
  14. M

    System takes up almost all storage

    Hi all, My Macbook Pro (13” Early 2015, running High Sierra 10.13.6)’s storage is currently taken up by system for almost all storage. I can’t seem to free space by deleting files as the system part only grows then. At the moment system takes up over 110gb of data. I’ve attached a picture of...
  15. TzuZen

    Retrieve files from Macintosh Plus disks

    I had an old Macintosh Plus that croaked and died in the late 90s. I have my old thesis files on disks still. I want to pull the files off the disks before they deteriorate further - I would have done that years ago yet the tools in the late 90s aren’t what they are today. I gave in and am...
  16. ASentientBot

    QuickLookUIService (Finder) stopping disk ejection

    If disks keep refusing to eject, I've found that killing this process in Activity Monitor allows them to be ejected 99% of the time. Wasn't really sure where to post this, but I hope that helps somebody.
  17. T

    Constant Kernel panics and Mac crashing because of SSD?

    Does anyone know whats causing the crash. I ran Disk Utility and all ran fine in the end but snapshots (backup?) give an error. Startup in Diagnostics said all is fine.. and Safe Mode also runs fine. Thanks for your help! I have a 1TB SSD I have Added 3 reports.. ---- Disk Utility report...
  18. aevan

    External disk wakes up during sleep

    I have a WD MyBook external 4Tb drive. I've had it for a few years and have no issues, however, it wakes up several times while my iMac is sleeping. I can hear noise coming from it. This doesn't bother me much, but waking up from sleep so many times can't be good for the longevity of the drive...
  19. Jimingle10

    Resize partition / new SSD

    Hello all. I have a 500gb ssd and the kit with thermal sensor to install into a mid 2011 iMac running high Sierra. My question is, the Mac has a 1tb HDD currently with just a single partition. I want to shrink the partition to 480gb so that I am able to clone it. Only 44gb is used so it...
  20. C

    Can't remove partitions on High Sierra 10.13.6

    Hello everyone. So, I need some help, I have these partitions created I suppose by installing bootcamp and stuff and I can't remove any of these. If anyone knows how to remove them please help XD. I really need a way to only have 1 solid disk instead of 5. The "-" sign does not work on any of them.