Questions tagged [external-disk]
A storage device attached to a computer, but not enclosed within the computer's casing
1,262 questions
- Bountied 0
- Unanswered
- Frequent
- Score
- Trending
- Week
- Month
- Unanswered (my tags)
0
votes
1
answer
62
views
Why am I having issues with some, but not all, external HDDs on a MacBook Pro 16" (M4 Pro)?
I have a MacBook Pro 16" (M4 Pro).
I have been using the following disks with no problem for a long time:
LG External HDD HXD5 USB 3.0 500GB
WD Elements Portable — WDBUZG0010BBK (1 TB USB 3.0)
...
-1
votes
0
answers
36
views
Disks "ejected" but not dismounted?
Many related (but not duplicate) questions, or at least I didn't find a duplicate.
Macbook Pro 2019. Eight TB disk on the left USB port powered from mains. It has two partitions and provides power ...
0
votes
0
answers
54
views
HELP! External HD not working... Corrupted EFI Name, need help rebuilding EFI?
kind of in a doozy here. So, I have a 8TB External HD that I have always mounted to my iMac that is running the newest version of Sequoia via OCLP. I'm not sure exactly what happened to the drive, but ...
0
votes
0
answers
44
views
Permission denied when accessing external disk
MacOS 12.7.3:
By mistake I disconnected an external disk (having ExFat32 file system), and it is now of course marked as corrupted. Disk Utilities / First Aid can't repair it. Hence I tried it from ...
0
votes
0
answers
92
views
Recovering data for zero-byte files on Mac OS Extended (Case-sensitive) external drive
I have an external drive where something has gone wrong and I have zero-byte files that I know should not be zero bytes.
When I log in after booting, I get a dialog box:
macOS is Unable to Repair the ...
2
votes
1
answer
135
views
My iMac crashes on restart. I can only start from recovery mode. How can I get my iMac to start normally?
The Problem:
I have a Retina 5K 2019 iMac with an internal hard drive that crashed. I can now run it off an external hard drive, which has the latest Sequoia (15.6.1), and it runs fine, except when I ...
0
votes
0
answers
60
views
Thumb drive permission issues prevent me from saving files on it
I have a USB thumb drive that is formatted in FAT32 just in case I need to use it with non-Macs. I don't know if the drive format is part of the issue here. Anyway, I usually just move files with that ...
0
votes
0
answers
50
views
How can I keep a Time Machine history while starting a new TM drive?
One of my TM external drives (D1) has just failed. I purchased a new one (D2) and, as recommended, began a new TM history on it. However, I would like to keep the history of D1. This is not in order ...
0
votes
1
answer
112
views
Running Disk Utility app’s First Aid feature fails on SDXC card: "lacks the proper privileges"
I set up an SDXC card as a secondary Time Machine drive for my MacBook Pro (M1 Pro, Apple Silicon) with macOS Sequoia (15.5). I am using the built-in SDXC card slot, with a micro SDXC card held in a ...
0
votes
0
answers
60
views
Unable to Format Flash Drive
I need help formatting a flash drive I got off TikTok Shop: I'm not great with technology if it's not plug in go but I tried the following. What am I doing wrong?
Here's what it looks like when I plug ...
0
votes
1
answer
78
views
OWC Mercury 6G disk not mounting on macos Ventura nor Sequoia
I have an OWC Mercury 6G SSD disk on an external drive case. Suddently, I can't anymore mount it nor on MacOS Sequoia nor on Ventura.
The disk turns on and... nothing... it is not even listed on Disk ...
0
votes
0
answers
111
views
Using Time Machine inside UTM guest system
I have MacBook Air running 15.5 as a host system
with most recent ipfw of macOS in a UTM guest
with a USB SDD attached via side port with TimeMachine on it.
I boot into recovery mode on the UTM guest ...
1
vote
1
answer
145
views
Can I boot into Safe Mode while booting from an external disk?
I have a MacBook Pro (Intel, 2017), with a broken internal display and am trying to boot it in target disk mode through another machine. But every time I'm getting the black screen with the "your ...
0
votes
0
answers
65
views
GUI method to mount external local drive
There are plenty of answers about using a Finder alias to mount a network drive, but this doesn't seem to work for a locally attached external drive; and I can't find any other "one-click" ...
1
vote
2
answers
117
views
Trying to retrieve / revive external WD drive
I have a not-so-old WD external partitioned drive that was being used for Time Machine backups & holding older files on the other partition. During the last Time Machine backup it didn't complete ...