Summary: Two methods to change Seagate external hard drives from read-only back to read-write, so that you can edit, delete, and rename files on this Seagate external hard drive. Also, if a Seagate external hard drive is read-only or files are locked on Mac due to NTFS format, you can use iBoysoft NTFS for Mac to mount it in read-write mode on Mac.
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At most of the time, Mac computers are very easy to use. But sometimes, troubles happen to our Mac to make it can't be used as usual. From the feedback of many Mac users, one of the problems that we may meet is that Seagate NTFS hard drive is read-only on Mac.As one of the most popular hard drive brands, Seagate hard drive has enjoyed lots of users. Summary: Two methods to change Seagate external hard drives from read-only back to read-write, so that you can edit, delete, and rename files on this Seagate external hard drive. Also, if a Seagate external hard drive is read-only or files are locked on Mac due to NTFS format, you can use iBoysoft Drive Manager to mount it in read-write mode on Mac.
When you plug a Seagate external hard drive into your Mac, one of the worst things would be that you find your Seagate hard drive is read-only. Your photos, videos, and other files could be locked. Or your Seagate external drive could be write-protected. Are you facing such disk problem right now? Well, you are not the only one.
'I'm having a problem using my Seagate external hard drive. I only have permission to read files on my external hard drive, but I am not allowed to write or edit files on the drive when using Mac OS. Why this happened and how to fix Seagate external hard drive read-only on Mac?'
As you can see, even though Seagate is one of the most popular brands of storage devices all over the world, you could have trouble backing up or copying files to Seagate external hard drives, such as Seagate Backup Plus Protable drives. And the read-only issue, for example, Seagate external hard drives become read-only after macOS Mojave update, is one of the most common disk problems.
In this article, we introduced three possible reasons for disk being read-only on Mac, and you can find solutions to change the external drives from read-only accordingly.
- Table of contents
- Why a Seagate external hard drive is read-only on Mac?
- Case 1: The Seagate external hard drive is NTFS formatted
- Case 2: You don't have permissions to access the Seagate external hard drive
- Case 3: The Seagate external hard drive has some disk errors
Why a Seagate external hard drive is read-only on Mac?
You may be wondering why my Seagate external hard drive is read-only. In fact, read-only Seagate external hard drive results from various reasons. Generally, there are three possible reasons:
- The Seagate external hard drive is NTFS formatted
- You don't have permissions to access the Seagate external hard drive
- The Seagate external hard drive has some disk errors
In the following part, we'll go into details about how to fix the Seagate external hard drive read-onli issue in different situations.
Case 1: The Seagate external hard drive is NTFS formatted
Most of the time, a Seagate external hard drive being read-only on Mac is because the file system of this disk is the Windows NT file system (NTFS). That's because macOS disabled the NTFS write support by default. If you connect an NTFS formatted external hard drive to your Mac, you will find that files on this disk will be locked or show as read-only. You can only read this NTFS formatted Seagate external hard drive on Mac.
How to check if your Seagate hard drive is NTFS formatted on Mac?
- Open the Finder and click Go at the upper right of your desktop, then choose Utilities.
- Find Disk Utility and open it.
- Select your Seagate external hard drive in the left sidebar of Disk Utility.
- Then you can see Windows NT File System on the right.
- You can click the Info icon at the upper right to check if this disk is writable.
Solution: Use NTFS for Mac to write to Seagate external hard drives on Mac
In this situation, many people may think about converting NTFS to APFS or formatting it to make the NTFS drive compatible with macOS. However, the truth is that you can fix the Seagate external hard drive read-only issue without formatting, i.e. you don't have to lose your files on this drive.
Alternatively, you can download NTFS for Mac software to enable NTFS drive write support on Mac with no fuss. There are a great number of NTFS for Mac in the market, and iBoysoft NTFS for Mac is used here as an example.
iBoysoft NTFS for Mac: NTFS for Mac driver and more
iBoysoft NTFS for Mac is a handy disk management tool, which can help you mount NTFS formatted external hard drives, USB flash drives, SD cards, etc. on Mac with write support. This NTFS drive mounter is also compatible with macOS 10.15 (Catalina), macOS 10.14 (Mojave), macOS 10.13 (High Sierra), macOS 10.12 (Sierra) and Mac OS X 10.11 (El Capitan), 10.10 (Yosemite), 10.9 (Mavericks), 10.8 (Mountain Lion).
How to use iBoysoft NTFS for Mac to write to NTFS Seagate external hard drive on Mac?
Step 1: Download and install iBoysoft NTFS for Mac on your computer.
Step 2: Launch this NTFS driver for Mac and connect Seagate external hard drive to Mac.
Step 3: Write to Seagate external hard drive after the drive is mounted successfully.
Aside from being an NTFS for Mac driver, iBoysoft NTFS for Mac is also a wonderful tool to manage files on NTFS external drives. It lets users open, monut, repair, and erase NTFS drives on Mac natively and seamlessly.
Case 2: You don't have permissions to access the Seagate external hard drive
If your Seagate hard drive denies your access or restricts you to read-only activities, there is likely an ownership conflict. Being a multiuser operating system, macOS sets up access permissions for all files and folders on the system, including external drives.
Solution: Change permissions on Seagate external hard drive
To fix the read-only Seagate external hard drive issue, you need to regain full access. You can ignore the ownership or change the sharing and permissions of this disk in the Finder by following the below steps.
Step 1: Select Seagate external hard drive on your desktop or in the Finder sidebar, and then press Command + I to get information of the drive.
Step 2: Scroll to the bottom of this list and click on the triangle that is at the left side of the Sharing & Permissions tab.
Step 3: Click on the lock icon at the right bottom and type in the password to unlock this tab.
Step 4: Check the box to Ignore ownership on this volume, or you can toggle it off and then on if it's already enabled.
Step 5: Click on the gear button and choose Apply to enclosed items… to save your changes.
Then you can go to check if your Seagate external hard drive is read-only still. If not, you will be able to write to this disk.
Case 3: The Seagate external hard drive has some disk errors
If your Seagate external hard drive becomes read-only not for the reasons above, you may need to have a check if there is any inner disk error. Some formatting errors will make an external hard drive read-only on Mac. If this is the cause, usually you will see a warning in Disk Utility that states it is only being mounted in read-only mode.
Solution 1: Fix read-only Seagate external hard drive in Disk Utility
Fortunately, there is a built-in tool called First Aid that can check and repair some minor disk errors. When your Seagate external hard drive becomes read-only due to logical disk problems, you can use First Aid to repair it then.
Here is the guidance to fix read-only Seagate external hard drive with Disk Utility:
- Open Disk Utility.
- Select the read-only Seagate external hard drive on the left window.
- Click First Aid in the top center and choose Run to repair this disk.
Solution 2: Reformat Seagate external hard drive
However, if Disk Utility fails to fix read-only Seagate external hard drive, the last thing you can try to remove write protection from Seagate external hard drives would be reformatting. Reformatting will assign a new file system to this disk, consequently, the Seagate external hard drive issue could be fixed.
But before you go ahead to erase this disk, you should know that reformatting will wipe the files on this hard drive. Thus, you are advised to check if you have a copy of data back in the first place , or you can recover data from this external hard drive with iBoysoft Mac data recovery to avoid data loss.
If you're sure that you have data backup in hand, you can proceed to reformat this read-only external hard drive with the following tutorial.
- Open Disk Utility as you did before.
- Select the read-only Seagate external hard drive in the left sidebar.
- Click Erase in the top center of Disk Utility.
- Fill in name, format, and scheme when the pop-up asks.
- Click Erase to confirm this operation.
A final note
Rather than Seagate external hard drives, if you are experiencing the disk read-only problem with Toshiba, WD, Samsung, or other brands' external hard drives on a Mac, you can also use these solutions to fix this problem. But if you are unable to fix it with the solutions suggested above, you can only send it to local disk repair store for help, but that will cost a lot usually.
Apple’s macOS can read from Windows-formatted NTFS drives, but can’t write to them out of the box. Here are a few solutions for getting full read/write access to NTFS drives.
This could be useful if you want to write to a Boot Camp partition on your Mac, as Windows system partitions must use the NTFS file system. However, for external drives, you should probably use exFAT instead. macOS can natively read and write to exFAT drives, just like Windows can.
Three Options
RELATED:What’s the Difference Between FAT32, exFAT, and NTFS?
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There are several options for this, and you’ll need to choose one:
- Paid Third-Party Drivers: There are third-party NTFS drivers for Mac that you can install, and they’ll work quite well. These are paid solutions, but they’re easy to install and should offer better performance than the free solutions below.
- Free Third-Party Drivers: There’s a free and open-source NTFS driver you can install on a Mac to enable write support. Unfortunately, this take a bit of extra work to install, especially on Macs with the new System Integrity Protection feature, added in 10.11 El Capitan. It’s slower than paid solutions and automatically mounting NTFS partitions in read-write mode is a security risk.
- Apple’s Experimental NTFS-Write Support: The macOS operating system includes experimental support for writing to NTFS drives. However, it’s off by default and requires some messing around in the terminal to enable it. It isn’t guaranteed to work properly and could potentially cause problems with your NTFS file system. In fact, we’ve had it corrupt data before. We really don’t recommend using this. It’s disabled by default for a reason.
We highly recommend paying for a third-party NTFS driver if you need to do this as the other solutions don’t work as well and are more work to set up.
The Best Paid Third-Party Driver: Paragon NTFS for Mac
Paragon NTFS for Mac costs $19.95 and offers a ten-day free trial. It’ll install cleanly and easily on modern versions of macOS, including macOS 10.12 Sierra and Mac OS X 10.11 El Capitan. It really does “just work”, so it’s the best option if you’re willing to pay a small amount of money for this feature.
You also won’t have to fiddle with terminal commands to manually mount partitions, insecurely mount partitions automatically, or deal with potential corruption as you will with the free drivers below. If you need this feature, paying for software that does it properly is worth it. We cannot stress this enough.
If you own a Seagate drive, be aware that Seagate offers a free download of Paragon NTFS for Mac so you won’t have to purchase anything extra.
You could also purchase Tuxera NTFS for Mac, which costs $31 and offers a fourteen-day free trial. But Paragon NTFS does the same thing and is cheaper.
The Best Free Third-Party Drivers: FUSE for macOS
This method is free, but it requires a good bit of work, and is less secure. To make your Mac automatically mount NTFS partitions in read-write mode, you’ll have to temporarily disable System Integrity Protection and replace one of Apple’s built-in tools with a binary that is more vulnerable to attack. So this method is a security risk.
However, you can use FUSE to mount NTFS partitions in read-write mode manually if you don’t mind using the Terminal. This is more secure, but it’s more work.
First, download FUSE for macOS and install it. Use the default options when installing it.
RELATED:How to Install Packages with Homebrew for OS X
You’ll also need Apple’s command line developer tools installed to continue. If you haven’t installed them yet, you can open a Terminal window from Finder > Applications > Utilities and run the following command to do so:
Click “Install” when you’re prompted to install the tools.
RELATED:How to Install Packages with Homebrew for OS X
In addtion, you’ll need to download and install homebrew if you haven’t already installed it on your Mac. Homebrew is a “package manager” for Mac OS X. Copy-paste the following command into a Terminal window and press Enter to install it:
Press Enter and provide your password when prompted. The script will automatically download and install Homebrew.
Once you’ve installed the developer tools and Homebrew, run the following command in a Terminal window to install ntfs-3g:
You can now manually mount NTFS partitions in read/write mode. From a terminal window, run the following command to create a mount point at /Volumes/NTFS. You only need to do this once.
When you connect an NTFS drive to the computer, run the following command to list any disk partitions:
You can then identify the device name of the NTFS partition. Just look for the partition with the Windows_NTFS file system. In the screenshot below, it’s
/dev/disk3s1
.The NTFS partition was probably automatically mounted by your Mac, so you’ll need to unmount it first. Run the following command, replacing
/dev/disk2s1
with the device name of your NTFS partition.To mount the drive, run the following command, replacing
/dev/disk2s1
with the device name of your NTFS partition.You’ll see the file system mounted at /Volumes/NTFS. It will also appear on your desktop as a normal mounted drive. You can eject it normally when you want to unplug it.
If you’re happy manually mounting partitions with the above instructions, you don’t have to continue.
RELATED:How to Disable System Integrity Protection on a Mac (and Why You Shouldn’t)
If you want to make your Mac automatically mount NTFS drives you connect in read-write mode, you’ll need to disable System Integrity Protection.
Warning: You probably don’t want to do this! The software’s official instructions warn that this is a security risk. You will be replacing the NTFS mount tools in your Mac with the ntfs-3g tools, which will run as the root user. Because of the way Homebrew installs software, malware running on your Mac could overwrite these tools. It’s probably not work the risk, but we’ll explain how to do if if you want to take the risk.
Reboot your Mac and hold Command+R while it’s booting. It’ll boot into a special recovery mode environment.
Launch a terminal from the Utilities menu in recovery mode and run the following command:
Once you have, reboot your Mac normally.
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From the Mac desktop, open a Terminal window again and run the following commands to make ntfs-3g function:
Lastly, re-enable System Integrity Protection. Reboot your Mac and hold Command+R while it’s booting to enter recovery mode. Launch a terminal in recovery mode and run the following command:
Once you have, reboot your Mac. NTFS-write support should be functioning now.
To undo your changes and uninstall everything, you’ll need to first disable System Integrity Protection. After you do, run the following commands:
You can then uninstall FUSE for macOS from its panel in the System Preferences window and re-enable System Integrity Protection.
You can see why we recommend the $20 option instead now, huh?
Apple’s Experimental NTFS-Writing Support: Don’t Do This, Seriously
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We don’t recommend the below method because it’s the least tested. This might not work properly, so don’t blame us or Apple if you experience problems. It’s still unstable as of macOS 10.12 Sierra, and it may never be fully stable. This is really just here for educational purposes.
First, be sure that your drive has a convenient single-word label. If it doesn’t, change its label. This will make this process easier.
You’ll first need to launch a terminal. Navigate to Finder > Applications > Utilities > Terminal or press Command+Space, type Terminal, and press Enter.
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Type the following command into the terminal to open the /etc/fstab file for editing in the nano text editor:
Add the following line to nano, replacing “NAME” with the label of your NTFS drive:
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Press Ctrl+O to save the file after you’re done, and then press Ctrl+X to close nano.
(If you have multiple NTFS drives you want to write to, add a different line for each.)
Connect the drive to the computer—unplug it and reconnect it if it’s already connected—and you’ll see it under the “/Volumes” directory. In a Finder window, you can click Go > Go to Folder and type “/Volumes” into the box to access it. It won’t pop up automatically and appear on your desktop like drives normally do.
To undo this change later, just repeat the above process to open the /etc/fstab file in nano. Delete the line you added to the file and save your changes.
Most Mac users will be better off formatting external drives with exFAT, ensuring they work well on both Windows and Mac OS X without any extra work. if you must write to an NTFS drive, one of the paid, third-party drivers will be the easiest option with the best performance and least risk of file corruption.
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