Questions tagged [external-disk]
A storage device attached to a computer, but not enclosed within the computer's casing
1,260 questions
0 votes
0 answers
41 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
27 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
52 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
107 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
48 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
48 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
83 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
53 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
63 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
90 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
127 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
53 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
102 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 ...
0 votes
2 answers
611 views
Constantly connected external ssd in mac mini m4
I'm about to switch my Windows PC to a Mac mini m4. I will probably go for the base model with 256GB of memory. Since it has a relatively small hard drive, I will get some external storage. I saw many ...
2 votes
0 answers
72 views
How to copy files from remote server to external HD without using local disk
I am trying to copy files to an external HD on macOS Sequoia The remote server (WebDAV) mounted via Finder -> Go -> Connect The problem is that using sync, the local Machintosh HD runs out of ...