Questions tagged [external-disk]

A storage device attached to a computer, but not enclosed within the computer's casing

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Forgot password for external hard drive

I have an external hdd. I set a password on it to access it. However, now I forgot my password for that drive. Is there any possibility if I could somehow find that password from mac os x log file. I ...
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Auto-mount of a disk-image, when the external disk is mounted

I have one external SSD drive that automatically mounts a partition A (via /etc/fstab and the native automount functionality). Inside the partition A there is the a sparse-bundle image B. How can I ...
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Backing up an iPhone without the use of a cloud service or a computer

I will soon lead a lifestyle where I'll be required to travel a lot, and at the same time I've decided to ditch (or at least just phase out using) my computers (both Windows and Mac). I will be using ...
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Can I repurpose a 2TB Time Capsule as an external drive?

I have an old Time Capsule, 2TB, Model A1355. Does any way exist to repurpose the device as just an external hard drive? If possible, I'd like to: store my music library on the Time Capsule then ...
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Remove external drive from Time Machine

I bought an external drive several months ago but I haven't used it heavily until now. I discovered today that I forgot to exclude it from Time Machine, and so when I started adding tons of files to ...
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Stop macOS from ejecting external disks on logout

I have a Mac Mini running 10.14.6 and hosting file sharing and Time Machine backups on an external drive. Every time a user logs out of the console, the external drive is ejected. This happens even ...
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LaCie external disk setup assistant immediately quits unexpectedly on Mac OS X 10.7

In order to upgrade the operating system on my old 2011 MacBook Air running macOS 10.7, I first wanted to back up the contents of the hard drive to an external disk. I already had a fresh, unused ...
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Restoring MBP with macOS that is installed on an external hard drive

A work colleague many many years ago helped me with this setup. I don't know what all he did, I just know it has worked perfectly for years. He connected an external hard drive to my Mid-2015 MBP ...
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External USB3 hard drive has suddenly become slow

The machine is a mid-2012 MacMini that operates as a server (colocated in a remote data center). The MacMini has an external USB hard drive to provide backup storage (WD Elements Portable 2TB, USB ...
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Partition won't mount, can't recover files

The partition in question (disk5s3) was previously in Mac OS Extended (Journaled) and has become unmounted. The other partition on the same external hard drive (Time Machine) is not affected. In Disk ...
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How to make APFS option available in disk utility? [duplicate]

I want to reformat an external harddisk For some reasons there is no option of APFS. How can I enbale APFS for an external harddisk? Here is the detail of the external harddisk My Passport 0837: ...
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MacOS Catalina: How to move the pictures folder to an external drive

How can I move my Pictures folder (users/me/Pictures) to an external flash drive (volumes/"SD UltraFit 256GB (Fotos)") using MacOS Catalina and "link" the new folder back to its original destination. ...
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Why does the finder refuse to eject SOME of the external drives, saying “finder is using it”? [duplicate]

Some of my external drives (of various types, sizes, and age) can be ejected w/o any issue. Others refuse, saying they can't be ejected because "Finder is using it". I have to close the Finder window ...
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Start/stop external hard drive? [duplicate]

I need to start/stop an external hard drive (USB) from a shell or python script. Actually the external hard drive automatically stops when ejected. So, is it possible to programmatically eject / start ...
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Does the Transcend JetDrive Lite 360 fit on iMac? [closed]

Transcend JetDrive 360 is a nice option to expand storage on mbp 15" Mid 2015. I'm wondering if it can be used on iMac also, can someone confirm? Or somewhere else besides mbp 2015.
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Can I fusion an external Hard Drive with the integrated hard drive on a macbook?

I'm a newbie here and i'm trying to save as much space on my hard disk as possible. I purchased an external hard drive and I was wondering if I can fusion it somehow with the internal disk on my ...
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Trying to recover data from an external RAID drive

I have a 1 TB Western Digital external hard drive that is old but works fine, I also have a 4 TB WD RAID (2 x 2 TB hard drives in one casing) that stopped working which I'm trying to recover. I must ...
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diskutil not showing a particular external hard disk drive

I am facing an odd problem. I have a WD Elements 2TB external hard disk drive, which used to work fine on my MacBook Air running macOS Catalina 10.15.3. The HDD has 4 partitions - one for time machine,...
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iTunes Library - Help with transition to new computer - Backup Catch 22

Situation: Old version of iTunes Old version of Windows Operating System. Cannot backup library because I cannot access my account without updating iTunes and iTunes will not update until I update my ...
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Repairing Mac SSD from Windows when HFS/APFS viewers don't work

My friend's 2015 13" MacBook Pro had water spilled on it, and no longer works. I want to extract the files contained for him. I removed the SSD from the Mac, and connected it to my Windows 10 laptop ...
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Mailbox set as read-only when symlinking from an external storage

I have multiple mailboxes and I want to save space by moving some of them in an external storage. I'd like to still be able to view the email using Mail.app even if said mailbox is now located in an ...
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How do you clone an internal drive to an external one, and why?

I am trying to fix my hard drive so that it can be formatted as APFS. Another Stack Exchange post suggests I must do the following: Full clone of internal drive to external drive using ...
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How can I find out the IO throughput of an external storage device connected to a MBP?

In 'Disk' of Activity Monitor' I can only see the aggregate numbers However I want a way to measure an individual connected device. Reason: I have recently purchased a Sandisk SSD drive and used it ...
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How to move time-machine backups to a new external disk?

My 4TB external hard drive has 2x2TB volumes. I use one of these for time-machine backups. I have ~6 months of backups on here. The drive is beginning to die so I want to transfer the data from each ...
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Recommended disk format for external SSD running as system drive for a 2019 iMac

I'm setting up a new 2019 iMac with an internal Fusion drive. I have an external 1TB Samsung T5 SSD drive that I'd like to use velcroed to the back of the iMac as the main system drive in order to ...
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Photos does not have the necessary permissions to create a library in the folder that you selected

I'm attempting to create a new macOS Photos.app library on a secondary hard drive. In the Choose Library window, when I select Create New... and select the external HDD, I get the error: The ...
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An NTFS HDD'e R/W (Read/Write) speed becomes super low on macOS Catalina

I have a 1T WD Elements HDD formatted in NTFS that I use between Windows and macOS. On my macOS Catalina I replaced the Finder’s default NTFS driver with ntfs-3g by Tuxera, and I also have NTFS for ...
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Touch ID needed when creating a file in external ssd

I recently bought an external ssd to put my files in it for my Macbook Pro 2019, at first I linked it at Time machine but I withdrew my decision. The problem is that I didn't use it before time ...
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Sometimes Mac doesn't recognize my external hard drive

This question has been asked on here many times before but I cannot find a solution that actually works. Macbook Pro: 2015 MacOS 10.14.6 External Hard Drive: Seagate 4TB (2 TB partitions) (No ...
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How can I prevent Time Machine encryption speed from dropping while leaving my Mac unattended?

I’m setting up a new disk for Time Machine, which is currently being encrypted. I’ve noticed that the encryption speed drops when leaving my Mac unattended; is there anything I can do to prevent this ...
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How to import photos library from a Mac SSD to Windows?

Following the death of my Macbook Pro, I have an SSD with all my photos on it, stored as a Photos library. How can I extract all the photos that are in it and transfer them to Windows? My photos are ...
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How to backup data from one external drive to another (one-way)

I have a 5TB external disk (WD My Book), which I use as my main hard drive. It is always connected via USB to my Mac. I've just bought another 5TB external disk (Seagate backup plus portable), where I ...
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Is there any way to access an external drive on a Catalina machine via sftp?

After upgrading to Catalina, it seems to be not possible to access an external drive from another machine using sftp - the new removable drive access permissions prevent it, and nothing pops up to ask ...
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Used my external hard drive as backup and now I can't see files that were previously there

I wanted to save my data (around 150 Gb) on my external hard drive (Toshiba Canvio 1To), which already holds around 700 Gb of movies, old work, stuff that I don't use on an everyday basis. I used ...
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Seagate External Hard Drive locked, can only read not write

What Happened: I plugged in my Seagate backup hard drive today (not Time Machine) after a few months and my computer can read the drive but not write to it. Two obvious problems: 1) The drive is ...
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External volume (WB elements 2TB) does not mount on mac (exFat)

I have an WD Elements 2TB external harddrive which is unable to mount on my Mac. It is formatted exFat and is half full. When I go into disk utility it is greyed out. Clicking the mount button ...
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External drive won't eject cleanly

I have several external drives, all of which work fine, but recently purchased and backed up to a new drive (Samsung T5) which always fails to eject cleanly. Whenever I try to eject it, I'm asked: “...
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2TB Seagate Expansion Portable Hard Drive not appearing in Disk Utility

I know this has been asked before but I wanted some help ASAP so recently my Seagate 2TB External Hard Drive was working fine, then all of a sudden it stopped working while I was copying some JPEGs to ...
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Decrypt Filevault on a (removed) startup disk

I had a hardware issue with my old Macbook Pro which required me to remove the boot drive. I have attached it via USB to a new Macbook and can unlock and mount it, etc. However I don't see anyway of ...
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395 views

Does the time machine backup include the backups of my iPhone?

I have taken a full backup of my iPhone on my MacBook (about 200GB), which has taken my MacBook storage to 90%! Then I have taken a backup of my MacBook using Time Machine on my external hard drive. ...
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Time Machine: copying backup to new disk never ends and goes beyond initial folder size

I am trying since several days to transfer a Time Machine backup to a new larger disk (target disk). I followed Apple Support instructions and formatted the target disk as "Journaled HFS+". But when ...
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193 views

How do I Eject USB Storage in iPadOS 13

I happily saw that I can use external USB storage with my iPad Pro (2018 3rd Gen) using iPadOS 13 either directly from a drive with USB-C or a Flash Drive using the Apple USB-C-to-USB adapter. So far ...
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How to view the Home/Library file on an external drive?

Im running OSX 10.13.6 and I have an external drive in an enclosure that was originally an internal drive of my previous computer running 10.12. I need to retrieve a file from the /Library external ...
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How do I change the icon on an external drive?

How do I change the icon on an external drive? I have a Samsung T5 SSD but following the instructions (copy from source Get Info dialog, and paste into destination Get Info dialog) has no effect and ...
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Can I boot from an external drive with hardware encryption?

Can I boot from an external drive with hardware encryption? For example I can add a password to my Samsung T5 that turns on the drive’s hardware encryption. Can I boot from that, as long as I know ...
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How to turn off file permissions boxes on Catalina for external drive?

I use a trash-can Mac Pro. All my user files are on an external drive. Catalina constantly asks me if program X should be allowed to access a removable drive. Is there any way to give all programs ...
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Change default action for copying files to external hard disk

The default behaviour on Mac OS when you move files from your machine to an external device is to copy these files. How can I modify this behavior so it moves the files, rather then making copies?
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How to install Ubuntu on original APFS Mac SSD?

I have a 2015 MacBook Pro 12,1 and I replaced the original 128GB SSD with an OWC Aura X2 1TB SSD. I was able to put the original 128GB SSD in an enclosure that they provide. I would like to use this ...
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283 views

Partition Map Check failed because no slices were found - External Drive

I have a WD My Passport external drive which is giving me the runaround. Yesterday I unplugged it from a Windows PC I was using without 'safely removing' because there was no icon in the system tray ...
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Connection protocols to enable external drives to connect to late 2015 27-inch iMac

I need to connect two 4TB or, better, 5TB external drives to the free Thunderbolt 2 port on my late 2015 27-inch iMac, hopefully daisy-chaining these new external drives together so I can use just the ...

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