Questions tagged [hard-drive]

A hard drive is a device for permanent or long-term storage in computers.

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Fix problem with external hard drive crashing mac

I have an old LACIE hard drive I'd like to pull some files off. It's a 500G drive formatted with HFS+. When I plug it into a USB port on my MacBook Pro, running Mac OS 10.15.7, it seems to work fine ...
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Disk First Aid "Disk Full Error"

I'm trying to fix an external drive by running Disk Utility's First Aid, and it can't because of this Disk Full Error (the drive was nearly full). Is there anyway I can get around this? Get it to use ...
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is it normal for USB 3 external disks to take 5 minutes to mount?

I have a 2020 M1 Mac and an old 27" late 2012 iMac. I have two USB 3 disks, both encrypted APFS with two partitions. One is 5TB and the other is 1TB. Both use regular hard drives, NON-SSD. I ...
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Format SanDisk Extreme Pro SSD V2 on Mac

Formatting (erasing) SanDisk Extreme Pro 55AF Media works but looks unusual in Disk Utility (image): Erase: SanDisk Extreme Pro 55AF Media Name: SD Format: APFS Scheme: GUID Partition Map Result: ...
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fsroot tree is invalid. All data still on disk but only 10% normally visible

I woke up today to start working on an audio project but upon loading I got some missing files errors. When I went to check, indeed, most of the folders I had shut the computer down with the night ...
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2 answers
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Mac hard drive showing wrong size

I have a 500GB Mac internal hard drive and have all my music files on there. I recently made a New User because I was having trouble with a soundcard and was advised to try the card's driver install ...
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Two choices for Time Machine restore?

I did a full Time Machine backup on an external drive recently. I loaded an embroidery app and royally messed up my folders. I want to restore to that recent backup but I’m being asked from what ...
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Corrupted macOS startup volume type FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF

My iMac was working (moving GB of files), when the electric current was taken by the energy provider close the current for works or any other reason. Now, the entire APFS container containing the ...
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Copying of Time Machine backup at 127%

I am trying to copy pre-existing backups from an older 2TB drive to a new 5TB drive. Given that I am on macOS Catalina, I simply copied in Finder using command-C on the Backups.backupdb folder and ...
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Disk Utility with extra Mac HD after clean install on Monterey (formerly Big Sur)

Not sure if I need to re-format and re-install again. Is it normal to see so many Mac HD, and should I try to remove the extra ones? Had some HD issue where somehow there was no space left and thus ...
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Time Machine backup failure

Time Machine has started to fail when I try to backup. I am running Big Sur 11.6.1 and have APFS both on my Mac and external USB drive. The Time Machine log shows: 2022-02-05 10:07:36 Not starting ...
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Mac Partition Error (Cannot add new Partition / Bootcamp partition not showing / Spaces don't add up to disk)

So I am trying to add more space to Bootcamp by following this tutorial. But the first red flag came when I went into the partition menu: It doesn't show the partition for Bootcamp. Then I saw that ...
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Recover disk space after uninstalling virtualbox

I uninstalled Virtualbox from my MacBook with Big Sur, and deleted the virtual disk image it used. That was a 40G file, easily 4% of the whole drive. And it wasn't sparse; I often run out of disk ...
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Disk partition appears too small boot an OS off a USB (Qubes)

I've created an 80gb APFS partition on my mac, with hopes that I could run an operating system off a USB with it. However, when I boot to the USB, it sees my partition as 8KiB as opposed to 80gb, and ...
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Cannot repair, mount or erase external drive (M3 Portable). Possible partitioning map problem

I have a problem with my 1TB External Hard Drive. Before I had it partitioned into 3 pieces (Time Machine for Mac, Personal Files, and Linux OS). After a few weeks, I have decided to delete the Linux ...
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USB disk is visible on USB bus but not detected as a disk

I have a USB disk that is visible on the USB bus but it is not visible in diskutil nor in Disk Utility. I have rebooted my Mac. I have done a PRAM reset. I have tested with another disk, it mounts. I ...
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New Google Drive Desktop - Disable Streaming

This question is about the new Google Drive for Desktop on a MacBook Pro with Catalina 10.15.7. When you install the "new" Google Drive for Desktop on Windows you get an option in the ...
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hdiutil image still busy after unmout

I'm using hdiutil managing disk images. I mount the images with the following command: $ hdiutil mount test.dmg And I unmount them like this: $ umount /Volume/device_name It works fine, the device ...
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New internal SSD (WD_Black SN750 2TB) not recognized during setup on late 2013 Mac Pro

I am trying to set up my new internal SSD (WD_Black SN750 2TB) with a Sintech adapter on my late 2013 Mac Pro after my factory 256gb ssd failed a bit ago and am having issues where the new SSD ...
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Partition drive becomes FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF after erasing Linux partition

I didn’t make a backup and want to recover files from my Mac. I have an internal SSD on my Mac and I have allocated 20GB of it for my Linux. I erased the 20GB Linux on disk utility and wished to free ...
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How do I know which files to transfer from /user/Library during a by-hand migration onto a new Mac?

My 2019 Mac, running High Sierra, recently crashed. The data has been recovered by the computer store folks onto a hard drive. I just bought a new M1 Mac, which is still in its box and which I assume ...
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I cloned my Mojave boot volume onto a separate volume, but lost encryption. Can I get it back?

In preparation for a long-delayed Mojave-to-Catalina update, I cloned my Mojave boot volume into a separate bootable volume (on the same hard drive, in the same container), using SuperDuper. But the ...
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2011 27" Intel iMac 12,1 No boot from internal HD/usb external HD/usb installer

When it (finally?) failed today, the screen went gray with vertical lines. GPU... maybe? There was a now expired recall for the AMD Radeon GPU. I have read where people have failing power supplies for ...
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Other Volumes in Container taking up 2/3 of hard drive

My Macbook Pro is completely full and after hours of searching for what files might cause this I came across the "Other Volumes in Container" category that's taking up a massive amount of my ...
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Cloning my boot partition failed. Can somebody tell me what went wrong, and what to do about it?

My 2017 iMac has Mojave on it. Back in 2019, I split the hard drive in half, and attempted to scratch-install Catalina on the second half. It went badly, and I pretty much ignored it (except as a ...
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Missing disk space after boot camp assistant failure

I was trying to use Boot Camp Assistant to create a Windows 10 partition, but it got stuck at partitioning. After about a hour, I gave up and force quit the Assistant, and discovered that 3 terabytes ...
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My Mac Storage Documents Section taking too much space even though file size not add up [duplicate]

I have MacBook Pro (Retina, 15-inch, Mid 2015) Storage: 256GB The problem is, in the Documents section it's taking approx 81 GB size, even though I have calculated all the documents file sizes that do ...
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Install Mojave on a wiped Macbook with Windows?

I have a mid-2012 MacBook Pro that I wiped using my Windows 10 desktop, and installed Windows 10 on. I ended up having driver issues and would like to put macOS back on the MacBook Pro, but I only ...
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-2 votes
1 answer
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Why is exFAT so slow on Mac? (reloaded)

I have read questions here about exFat and its performance on the Mac. I think I can refute the previous answers and am therefore still looking for an answer or solution. But from the beginning: My ...
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Issues with intense data transfer over USB 3.0

Edit: TL;DR at the bottom. Edit2: Even shorter, and Mac-specific: Is there anything I can tweak in a 2014 MacBook Air BIOS that has to do with USB performance, data throughoutput in particular? If ...
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Is there any to fix or restore data from a Fusion Drive, when it kernel panic loops but drives are ok? Even crashes with cloned drives

iMac 2013 27" 1Tb HD & 128Gb SSD Fusion Drive Error message is: panic(cpu 0 caller 0xffffff800ec1d80d): "CoreStorage: load_lfs_from_seg: ran out of free segments\n"@/System/Volumes/...
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1 answer
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How to Rebuild MacintoshHD to Reinstall MacOS from Bootable Drive? (iMac, 2017)

Model: iMac, 27 inch, Fusion Drive, 2017 Version: MacOS Monterey Beta (Version issues), MacOS Catalina (Version in bootable drive) Notes: I have a separate bootcamp Windows partition which works fine ...
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1 answer
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under macos 10.15.7, why cannot cron find files on my external hard drive? [duplicate]

I purchased an external hard drive for scheduled backups of my macbook pro, presumably under cron. My rsync commands work fine when I invoke on the bash (interactive) command line. But as soon as I ...
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1 vote
1 answer
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Unable to add back storage from Linux partition after deleting ( FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF Drive) [duplicate]

This is embarrassing.... I want to Linux distro hop but first I need all the spaces from my partition for something before that. So, I mindlessly followed apple's guide on deleting partition, and ...
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Using a HDD for TimeMachine on both NAS and via USB

Is it possible to have a HDD for TimeMachine and using it on a NAS? I'm running OpenMediaVault on an ARM-SBC on Linux. I want to be able to remove the drive from the NAS and plug it into the Mac in ...
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WD Portable Hard Drive suddenly not connecting/mounting to Mac

I bought a 4TB WD Elements SE Portable Drive to back up all of my files about a month ago. I've spent the last month backing everything up, but today it decided to not work at all. When I plug the ...
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1 answer
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Unable to add apps to Security & Privacy Preference on MacOS Mojave

Yesterday. I cloned my hard drive to my SSD for use. One of the essential apps I need to use is EVKey which works fine with no issue before. After I boot up the SSD, I notice that I am not able to add ...
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External HD connected to Time Capsule does not show up

My Time Capsule is old and gives lots of errors in backups, so I bought a (LaCie) external HDD to connect it to and do my Time Machine backups from that instead; Apple tells me I can do this. As per ...
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1 vote
1 answer
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MacOSX Fix damaged partition map

I recently completely crashed my system by plugging an 11.1v power source into the USB unintentionally frying the machine. I have since replaced the machine and went to transfer my information from ...
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1 answer
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Screenshots Don't Save to Mac If I Share Them

I've been using Command-Shift-4 to capture screenshots, and then using the share icon on the top right of the screenshot I send them off to Notes or a friend on Messages. However they are not saving ...
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Cannot store files on Time Machine backup drive

I needed to format an external hard drive from Mac OS Extended (journaled, encrypted), the only available option was APFS. On this hard drive, I had my time machine backup in Backups.backupdb and ...
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-1 votes
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How to set up Time Machine to use an internal disk

I want to use some of the features of Time Machine but don't need or want it to be backed up to an external drive. However, Time Machine doesn't show internal disk's when selecting a drive to use. I ...
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Is there a terminal command or Permissions setting that can switch my default Desktop drag-file behavior from Copy to MOVE?

On my Macbook Pro, "move vs. copy" is the default behavior when dragging files from Desktop to other folder destinations. On my Mac Pro 5.1 (2010), I know that prior to my upgrading to ...
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1 vote
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Can't unlock APFS external drive

I've recently come across an issue with my external HDD (2TB, LaCiE) drive which is formatted with APFS. I have three volumes under a 2TB container which are all APFS (Case-sensitive, Encrypted). ...
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Can I stop revisiond from accessing my external drive?

I have an external RAID drive and its kind of noisy when in use. Many mornings it makes a lot of noise because something is accessing it. At first I thought it was spotlight so I configured spotlight ...
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Error reinstalling El Capitan on iMac

I have a mid 2007 iMac. I attempted to reinstall El Capitan after a Safari problem. After downloading and attempting to install, I am unable to see the internal drive. When attempting to reboot in all ...
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diskutil unmountDisk fails, but lsof shows no processes using the disk

I have a number of external hard drives with multiple partitions each. Since getting a new Macbook Pro and updating to Monterey, running diskutil unmountDisk on two of these HDs fails with an error ...
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2 votes
2 answers
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Formatting a USB Drive for use on Windows with FAT/exFat

I would like to use my USB stick to transfer files to a Windows machine. Apple documentation says to use FAT or exFAT. However, the Disk Utility only offers APFS variants. (See screenshot.) How do I ...
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0 votes
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Macbook Pro no longer recognized WD external drive after disconnect without ejecting

I've got a Mid 2015 MacBook Pro running Monterey. A WD 1TB My Passport quit being recognized by the system after several times of inadvertently being unplugged without ejecting. It's got a micro usb ...
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Converter card for getting data from a MacBook's(MacBook Pro A1502) SSD hard drive

I am trying to get the data off the dead MacBook's(MacBook Pro A1502) SSD hard drive. From my research, I need an SSD adapter as well as a Converter Card. My SSD adapter is Sintech M.2 NGFF 28Pin SSD ...
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