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Questions tagged [external-disk]

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

2
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1answer
18 views

Once backward conversion of encryption has started, can it be stopped?

I have accidentally given my external Extended journaled hard drive (with password) the command to "decrypt" the disk. When you restart the decryption starts immediately on the external, how can you ...
0
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1answer
18 views

Mount a previously internal and encrypted HDD as an external drive

I upgraded the hard drive on my late 2015 iMac from the fusion drive that came with it to a 1TB Samsung SSD. My SSD has a fresh install of macOS and I planned on using my fusion drive as an external ...
0
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1answer
15 views

I have two bootcamp partitions but not my original 500GB

I have a mid 2014 MacBook Pro running Mojave. I recently tried to dual boot windows on my MacBook but in the process corrupted my original Macintosh HD and am left with a 85GB bootcamp partition. I ...
1
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0answers
14 views

External HD (Time Machine) sleep issues

I have a 4TB WD external hard drive with three partitions on it, one being a Time Machine partition. When a Time Machine backup is running and the computer goes to sleep, it triggers a few different ...
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0answers
38 views

Windows 10 on external drive through boot camp

I've installed Windows 10 on external drive (SSD through USB) on a previous Macbook pro and it was working fine. I bought a new one now, but that same external drive doesn't boot anymore. Instead it ...
0
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1answer
38 views

unable to find Paragon NTFS for Western Digital(WD) external drives

I have had Paragon NTFS 15's free version for Western Digital Drives. Just like Seagate offers. Somehow I had to erase my MacBook Pro and the software has been deleted. So now I am unable to find it ...
0
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1answer
23 views

external pendrive is read only

When i plug my external pen-drive(FAT32) in macbook pro(OS: Mojave) it is getting detected but nothing can be copied on pendrive. Seems like there has been some restriction on my office mac so that ...
1
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0answers
14 views

Are USB ports on a Thunderbolt dock inherently more reliable than USB ports on a USB dock?

This question refers specifically to the use of external 2.5" drives, spinning or ssd. External drives on usb hubs we all know are very flaky, even for powered hubs. Surprised I couldn't find an ...
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0answers
16 views

Unable to view Trash on APFS-formatted external drive

I am on macOS Mojave running iTunes with its library stored on an external drive. Both my main machine and external drive are formatted in APFS. When I delete a song on iTunes, the file never gets ...
1
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0answers
26 views

MacBook Pro: Erratic Trackpad behavior when an external 3.5" drive is connected

When I plug my external 3.5" hard drive into my 13" 2016 MacBook Pro, the Trackpad becomes very erratic and difficult to use. The drive is housed in a powered enclosure (brand Integral). Other ...
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0answers
21 views

A WD hard drive can be detected by one Macbook but not another

A WD My Passport hard drive (bought in 2016-7) can be detected by one Macbook (a 2018 15" MacBook Pro) but not another (not even in diskutil) (a 2013 11" Macbook Air). What is the explanation for this?...
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0answers
70 views

macOS Mojave Command line: How to mount drive but NOT EFI and hidden partitions

If I connect a external GUID-Formated Mac Drive, the Finder does mount all partitions except the "hidden" ones EFI and if existing "Recovery HD". That's fine so far. If I unmount the disk in the ...
1
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1answer
22 views

8T external HDD failing to format

Disk Utility is failing to format an 8T external hard drive on my iMac. I keep getting an error stating Unable to write to the last block of the device: (see below): How might I troubleshoot this?
0
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1answer
66 views

if external disk found by terminal applescript

Hey so MacBooks have this nasty habit of not mounting external disks when plugged in before... reference link the solution is quite simple with terminal eject the disk and the manually unplug replug ...
3
votes
1answer
59 views

How to recover Mac Startup Security Utility?

To boot up with external disk, I launched into a startup security utility. The standard startup security utility shows the menus like above. But my startup security utility only shows the Firmware ...
1
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1answer
32 views

iMac runs from external SSD. How do I use Time Machine to back up the external SSD to the internal HDD?

I am using an external SSD as my iMac boot drive, and that is terrific. I want to back that up using Time Machine and have the back up on my old internal HDD in the iMac. How do I do it?
2
votes
1answer
36 views

External SSD drive not detected as SSD drive

I've got a Sandisk Extreme SSD drive as an external drive for my MacBook Pro. It has no problems with connecting to the MacBook or being recognized as an external drive. The problem is it is not ...
0
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0answers
54 views

External HDD keeps ejecting by itself from MacbookPro 2018

I have a 2018 Macbook Pro and am trying to connect an Icydock external HDD (in raid 1 configuration). This external HDD connects without any problems to my older 2014 MBP. On the new MBP, it is ...
2
votes
1answer
33 views

How can I mount a thumbdrive to my iPhone?

I have a jailbroken iPhone 6s running iOS 10.3.3. I'd like to be able to connect a r/w thumbdrive to my phone, but I don't know what kind of adapter I'd have to buy/make. Does anyone have any ...
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0answers
26 views

Cannot mount external drives or flash drives

I tried multiple file systems and multiple devices, none of them will mount. I also tried looking for fsck (not running), resetting the NVRAM (and restarting the Mac of course) and it still doesn't ...
0
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1answer
31 views

Transfer time machine backups from unmountable HDD

I am attempting to access time machine backups on an external hard drive that I have, and transfer them over to a new HDD. Both drives are 2TB. The drive with the time machine backups will not mount, ...
1
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2answers
143 views

Multiple “Disk Not Ejected Properly” messages shown after waking from sleep

I am getting tons of (about a hundred) “Disk Not Ejected Properly” notifications/messages for two external hard drives (one drive has one partition, the other has two partitions). I'm running Mojave ...
1
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1answer
30 views

Using external NTFS drive from windows on mac with bootcamp

I am new to StackExchange so please pardon, if my request does not follow all best practices. My dad uses Windows 10 on a MacBook pro 2015 via Bootcamp. His backup data is on an external NTFS hard ...
0
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1answer
20 views

Lacie External Hardrive doesn't show up on Mac or in Disk utility

My lacie hard drive was making some strange clicking noises when I put it in my mac. I have also tried this in a PC. It now is just not showing up in the devices and also when I try to access it in ...
0
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3answers
82 views

External HDD No Longer Accessible (ExFAT formatted)

I have an external HDD Toshiba MQ01ABD100 1TB HDD in an external enclosure. Recently it suddenly no longer accessible. When plugged to a Mac, it will prompt "The disk you inserted was not readable by ...
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0answers
37 views

Can't update to Mojave with an external SSD

I have a 2014 Mac Mini. I've seen a number of these issues but haven't found anything that could help. When trying to upgrade to Mojave, I get: you may not install to this volume because the ...
0
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0answers
82 views

MediaKit reports bad partition or no map found (-5324)

I am trying to recover an external drive (Western Digital, MyPassport, 4TB, WDBYFT0040BBK-0A) formatted in HFS+. /dev/disk0 (internal, physical): #: TYPE NAME ...
0
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0answers
20 views

Moved home-folder to external drive - after booting up Apps sometimes won't load

Bid on an 2018 Mac Mini on Ebay, when I realized that this impulse buy is an error (128GB internal drive) it was already too late. Solved that problem by moving my Home-Folder to an external ...
2
votes
1answer
94 views

Large external storage stops working after being connected for a long time

I have a 4 TB LaCie RUGGED USB-C external hard drive, and when it's connected to my MacBook Pro (13-inch mid 2014) for a long time without being used, it stops working. I do allow drives to sleep when ...
0
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1answer
113 views

exfat fsck crash on macos 10.14.4. Any workaround or fix?

I am trying to mount an external HD with exFAT, but apparently the latest unmount was non-successful, and now the disk requires an automatic fsck. When macos tries to perform the fsck, this happens ...
1
vote
1answer
29 views

My WD passport spins, lights up and connects but doesnt show as an available drive [duplicate]

My external hard drive fell. After that I plug it in and it lights up but doesnt blink, the HD spins then stops. The WD icon in the top right of my screen shows it there as plugged in but it doesnt ...
2
votes
1answer
102 views

How to ignore Spotlight index for a volume contain another macOS

Volume A: macOS A Volume B: macOS B How can I ignore Spotlight index of Volume B when using macOS A, while keeping index data and use index when switching to macOS B.
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1answer
69 views

Bootcamp HDD is now in a USB3 external enclosure. Can I boot my iMac from it?

I installed windows 10 on my iMac with bootcamp and it worked great. I have since upgraded to an SDD and the old hard drive is now in a usb 3 enclosure. I'd really like to be able to boot from that ...
7
votes
2answers
568 views

How does the mv command work with external drives?

On the same drive I assume it would change something like a FAT table to repoint to the location of files. Question When going to a different drive (maybe even partition) does the mv command first ...
0
votes
1answer
36 views

Mount external disk at the same mounting point in macOS

I have an external disk, and I want to be mounted in the same mounting point (path) every time I connect. In ubuntu I edited the file /etc/fstab, I added UUID=5C2A-23AD /media/external1/ exfat ...
1
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1answer
301 views

Is there a way to get macos to recognize my external hard drive without rebooting the operating system?

I have a 4TB external drive connected to my 2015 macbook pro. It has 2 2TB partitions. I use 1 for time machine backups and the other for other files. From time to time when I plug it into the USB ...
0
votes
1answer
21 views

Recommendations for networking an encrypted OSX Extended format drive

I have a 2TB external USB drive. I formatted it using OSX Extended encrypted. I'd like to have it available on my local network preferably without having to have it permanently connect to one of my ...
0
votes
1answer
31 views

How do I move a folder and contained files in an external volume to another external volume using Terminal

I have two drobos. I want to move a folder (called A) from one drobo name (Behemoth) to another drobo (Galactus) using Terminal (Mac). I have tried ditto ~/Volumes/Behemoth/A /Volumes/Galactus/ but ...
0
votes
1answer
135 views

Brand new external hard drive formatted exFAT is mounted read only

I bought a new HDD, formatted as exFAT with mac. I moved files from my laptop to the HDD (moved, I mean, I also deleted them). It happened with a directory it got stucked. I quit the process of ...
0
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0answers
16 views

Lost connection to NTFS external drive in the middle of use, now it won't mount

Problem: I was watching a movie through iTunes and 20 minutes in the movie just stops and says it can't find the file location. I recently moved my iTunes library to my external drive, but I watched ...
2
votes
2answers
403 views

Slow read/write speed (40MBps) with USB-C external SSD on Macbook Pro

I had a Sandisk Extreme Pro 500Gb PCIe NVME M.2 SSD. I got an USB-C 3.1 Gen 2 Enclosure for it. I have tried it on 3 different 2017 and 2018 macbook pros and an iMac. The Max read/write speed that I ...
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vote
2answers
27 views

How do I copy files from macbook to external harddrive using single user mode?

My MacBook pro shut down due to an error, and now I can't log in again. I've tried creating an image using Disk Utility but it fails every time. I have my hard drive connected to my MacBook but when I ...
0
votes
1answer
83 views

Use an external disk shared to Mac via Windows for Time Machine

I have an external hard drive with 3 partitions partitions a exFAT connected to a Windows 10 PC. I am able to mount and access the disks on my Mac wirelessly but cannot get TimeMachine to use this ...
2
votes
0answers
16 views

Finder thinks there are many nonexistent volumes named “m”

I have a clumsy but mostly working AppleScript that ejects all partitions on one of my external drives except for the partition called Data OWC4_500. The first commands in the script are tell ...
3
votes
1answer
32 views

Back up other drive using Time Machine

I'm trying to diagnose & fix some problem on my MacBook Pro - the machine randomly hard-crashes instantly & shuts down. I have a somewhat-old Time Machine backup of the drive on an external ...
0
votes
2answers
57 views

Using iCloud as file storage and synchronization service

I am considering to choose iCloud Drive vs Google Drive to store old music and photos folders present in external drives. Is it possible to upload large folders to iCloud Drive that are not present ...
3
votes
1answer
559 views

“Permission denied” when running macOS installer from command line

I'm trying to install High Sierra to an external drive, from a system which is running Mojave. I can't run the GUI installer (it warns me about trying to install an older version of the OS), so I'm ...
0
votes
1answer
19 views

Backing up another user’s mid-2013 Macbook Air

I have pretty much been a Windows user all my life but a family member has recently given me his mid-2013 i7 Macbook Air. This machine is logged in with his Apple account (I have the credentials) and ...
1
vote
2answers
74 views

How can I recover a Mac-formatted external hard drive?

My girlfriend has an external hard drive with a bunch of photos on it from her Mac. She needed to transfer the files to her PC but we soon discovered that Macs and PCs use different formatting ...
3
votes
1answer
394 views

Best practices to move macOS Mail.app storage to an external drive?

I have a system with fairly small internal storage (500GB) so I have attached a reasonably quick external storage device (256GB) that will be constantly mounted. To free up space on the internal ...