I copied everything off the drive and reformatted it, put everything back on and all is now fine.
Thanks for the help, Barney and Grant! Feb 29, PM. Mar 1, AM in response to fishmeal In response to fishmeal. Mar 1, AM. Question: Q: How to unlock external hard drive?go
How can I reformat my external hard drive without losing data? | MacRumors Forums
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Ask a question. User profile for user: fishmeal fishmeal. Question: Q: Question: Q: How to unlock external hard drive?
About file system formats
All replies Drop Down menu. Loading page content. User profile for user: Grant Lenahan Grant Lenahan. Feb 27, PM in response to fishmeal In response to fishmeal have you opened the "get info" box and gone to the bottom to look at permissions?
Reply Helpful Thread reply - more options Link to this Post. It just says "You can only read". User profile for user: BarneyE BarneyE. This can be done with Disk Utility by selecting the drive device in the program's sidebar, then going to the Partition tab that appears and choosing "1 Partition" from the drop-down menu.
Then click the Options button and choose GUID as the partition type to use, followed by clicking Apply to save these changes. Generally read-only errors with drives are limited to their formatting, so these steps should help fix the problem, but do keep an eye on the drive; if the problem crops up again, it could be a hardware malfunction in the drive, in which case it would be best to replace it. Have a fix? Post them below or e-mail us! Be respectful, keep it civil and stay on topic.
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Discussion threads can be closed at any time at our discretion. Don't show this again. Computers Solving read-only conditions for external hard drives Along with the use of incompatible formats, errors can prevent a drive from being written to. By Topher Kessler.
The drive's formatting can be seen in the information window as well as in Disk Utility, and clicking the check box at the bottom of the window will ensure the drive's permissions are ignored. MacOS keeps maintains special system folders that hold information on your computer's current operating status.
If you accidentally erased or modified these folders, it could easily crash the Mac or render it inoperable. Many apps also create hidden folders used to store settings, program status and data about the documents you're working on. Normally, the Finder doesn't let you view these hidden files on your Mac.
This makes your own files easier to find and it prevents damage to the macOS software. Before you can see folders on an external hard drive, you must first plug it into your Mac. Depending on the drive, it might plug into either a USB or Thunderbolt socket. Perform the following steps:. Browse the drive until you find the folder that you believe holds the hidden folder of interest to you.