Questions tagged [external-disk]
A storage device attached to a computer, but not enclosed within the computer's casing
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Not Admin | Firmware password error | Recovery Mode wont boot
This probably sounds pretty sketchy, so I’ll preface my question with a brief run down of how I got here...
Pretty sure I was hacked... It’s a mid-2012 running High Sierra on a SSD harrdrive.
...
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0answers
33 views
Samsung X5 external SSD not recgonized
I'm having trouble getting macOS Mojave to recognize a Samsung X5 external SSD.
When I plug the drive in, it lights up, but the OS doesn't seem to see it. I've plugged the drive into a Windows PC ...
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0answers
14 views
Unable to open Seagate HDD in MacBook Air running on macOS Mojave 10.14 (Using Paragon NTFS for Mac)
Please advise on how to open the HDD again. This previously worked fine and also HDD works on Windows 10. I am using Paragon NTFS for Mac to read the HDD.
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15 views
External hard drive not mounting
I have an external hard disk drive that's a few years old and lately it's been causing some issues. It started by unexpectedly unmounting, and a few days later it wouldn't mount at all. If I open Disk ...
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15 views
Certain files greyed out in external HDD
My question is the same as this one from 5 years ago. I have an NTFS external hard drive and certain files on it are greyed out and can't be opened until I run certain commands on the command line.
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0answers
32 views
Time Machine: Backups.backupdb uses way too much space when copied to another volume
I'm in the process of copying my TM backups to another volume. I followed these instructions: formatted the new volume, set the permissions, disabled automatic TM backup and dragged Backups.backupdb ...
2
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1answer
41 views
How to restore external hard drive from Time Machine backup the right way?
My Time Machine backup (6 TB USB-HDD) contains the data from my Mac's internal hard drive (2 TB) and from an external hard drive (USB 4 TB, Mac OS Extended, FileVault Encrypted) that I always keep ...
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3answers
72 views
Why does Apple not recommend storing your iMovie library on an external drive?
I want to try keeping my iMovie library on an external drive because I use both my Imac (at home) and my MBP (when traveling) to edit my videos. Ideally, I would like to use a SD card so that it ...
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0answers
34 views
Why is my iMac able to write to an NTFS external drive but not my MacBook Pro
My iMac (standalone desktop running Mojave) which is formatted as APFS is able to read and write to my Seagate external drive (which is formatted as NTFS). Yet my MacBook Pro (which was formatted as ...
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25 views
How do you disable fsck_exfat from automatically running when you plug in an external drive? [duplicate]
If you plug in an external exfat hard drive that the system considers "dirty" for whatever reason, it will not mount it until fsck_exfat is finished repairing it... which never ever ends so it ...
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2answers
63 views
How do I download all iCloud Drive files to external hard drive?
Using Google Chrome, I am trying to download or copy + paste all of my files to an external hard drive so I can delete them afterwards and downgrade my iCloud drive subscription to something cheaper. ...
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21 views
Is there a way to go back to a previous state of an APFS Partition on an external drive?
My question sums it up. I would like to go back in time on a partition on an external drive which is formatted on APFS. Decrypting a VirtualBox image, VBox crashed (as it does all the time in Mojave) ...
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2answers
49 views
Why can't I copy a drive in full to another drive?
I am trying to copy one drive to another (both external) - from a 1TB to an empty 4TB drive.
I reformatted the 4TB drive, and here is its information:
$ sudo newfs_exfat -N /dev/disk3
Reformatting ...
0
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0answers
73 views
OWC Envoy Pro Enclosure [with OEM SSD] MacOS Upgrade Problem
I have an Envoy Pro Enclosure (OWCMAU3ENPCIECS / OWCMAU3ENPRPCIU) [w/ OEM SSD - 512GB Mid-2015 Macbook Pro Retina SSD] that I use as a bootable external MacOS installation and it works fine.
I have ...
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0answers
19 views
Mojave install failure “OSIInstallElement failed, Failure Reason: PKInstallErrorDomain:112”
I'm trying to install Mojave on a brand new 2TB Western Digital external hard drive. I've formatted the drive as APFS. The installer gets partway through, and then fails with
macOS could not be ...
2
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2answers
51 views
External disk is hijacked by fsck when plugged in to Macbook
External disk (2 TB Seagate) is captured by fsck when plugged into a USB 3.0 port on my Macbook Pro (macOS Mojave 10.14.5). This has been discussed by @ArielAllon, and indeed, when I kill the fsck ...
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1answer
29 views
Nano Memory card does not show up in Finder nor Disk Utility
I have a Nano Memory card working fine. I know it's fine because it contains a bootable ubuntu OS that is being used in a Raspberry Pi.
When I plug it to my Macbook Pro (Mojave 10.14.5) it does not ...
1
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1answer
31 views
Why does unplugging a drive lead to data loss when moving files?
I did a cut and paste (Comd+C then Comd+Opt+V) on my Mac 10.14’s Finder to move some .mov files from my internal SSD to my WD My Passport External Harddrive.
Alas, after a while, I move my Macbook ...
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0answers
12 views
Unable to mount my WD Easy Store 4TB [duplicate]
I am unable to mount my WD Easy Store 4TB on my Mac. I am using macOS Mojave - 10.14.5. I tried several commands using terminal to unmount, but all in vain. It shows ejected but still shows in ...
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0answers
25 views
Data loss due to lost connection when transferring to External HDD - are they on the HDD actually?
I did a cut and paste (Comd+C then Comd+Opt+V) on my Mac 10.14’s Finder to move some .mov files from my internal SSD to my WD My Passport External Harddrive (connected by USB 3.0 with a USB-C to USB ...
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0answers
19 views
Sharing and Permissions - always shows “Fetching” instead of the user name
I am a basic Mac user, so please bear with me.
I have a WD MyCloud EX2 to store large files and videos - over 10000 files, so searching is critical for me. The WD NAS, the iMac are connected via ...
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0answers
34 views
Why is my external hard-drive is not appearing (most of the time)
I recently bought an external hard-drive, Western Digital 4GB, and I have a MacBook-pro 2015 (15inch).
When I received the hard-drive, it worked like a dream, I just re-formatted it to apple's file ...
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0answers
25 views
Daisy chaining two external HDD
I have two Glyph 1TB external HDDs connected to my Oct 2015 iMac, 27” 5K display, Fusion HDD, OS 10.14.5
1 has a single partition and is devoted to TM backups
The other has two partitions: one ...
0
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1answer
99 views
Cannot install macOS Mojave on external spinning drive. Error: This Mac can only install macOS on APFS-formatted drives
I am using the Install macOS Mojave.app installer on my Mac mini (2018) running Mojave 10.14.5 to install Mojave on a formatted external spinning disk laptop drive (a Toshiba model with case).
I ...
4
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2answers
384 views
Tool to objectively test performance various external drives on my Mac via USB & Thunderbolt
I would to test the relative performance of various external storage devices:
Thumb drive
Samsung MUF-256AB/AM FIT Plus 256GB - 300MB/s USB 3.1 Flash Drive (256 gigs)
Spinning metal drive
Toshiba ...
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0answers
34 views
Partition external SSD (Win10 already installed) for Mac
My situation:
I successfully installed Windows 10 on a Samsung T5 external SSD (size of 1TB) which I can boot into using my MacBook Pro 13" (2017 model w/ 4 Thunderbolt 3 ports). Under Windows, the ...
4
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3answers
596 views
Why is my external HDD active when I'm not using it?
I have a partitioned external HDD (orange LaCie), with one partition for Time Machine. All partitions are Mac OS Extended (Journaled, Encrypted). The HDD is GUID Partition Map.
I'm not (consciously) ...
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1answer
108 views
APFS on external drive missing from Disk Utility
When I use Disk Utility app in macOS Mojave to format an external drive, I do not see the new Apple File System (APFS) offered as a choice of format.
Does it matter that my external drive is a ...
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0answers
32 views
EHD has 5 TB capacity but Finder only shows 600 GB
I have a Seagate 5TB external hard drive. Disk Utility shows 5TB, but when I click "Get Info," it only says 602 GB. How do I fix this? My Macbook runs on El Capitan. Thanks.
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3answers
127 views
Make Mac eject external drives when going to slumber or sleep/wake
I have an external drive, a "Western Digital My Passport for Mac". I usually leave it connected and walk away from my MacBook Pro. The Mac often went to slumber and many times the "not properly ...
1
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1answer
50 views
External disk does not show in “diskutil list” after premature eject, what can I do?
This question is related to External drive does not mount after plug off without eject, but the difference is that in my case, the drive did not appear in the Disk Utility application nor in diskutil ...
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0answers
16 views
External Disk, extended journaled with password, suddenly starts without password query
my External DiskLaCie hard drive D2 Quadra USB3, extended journaled with password,
appears on the screen the next morning without a password query.
On my MacBook Pro and on the hard drive no updates ...
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0answers
26 views
Seagate Backup Plus 5 TB became unresponsive after long period of use
I recently purchased a new Seagate Backup Plus 5TB for data use, because none of my drives are functioning properly. My old Seagate Expansion 2TB hard drive failed ("Unable to repair"); the Seagate ...
2
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1answer
44 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
24 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
17 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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1answer
56 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
128 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
212 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 ...
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1answer
33 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 ...
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0answers
24 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
20 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 ...
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0answers
41 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 ...
3
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1answer
33 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
175 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
24 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
88 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
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1answer
263 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
49 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
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1answer
53 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 ...
