Why My NTFS Drive Stopped Working After Upgrading to macOS Sequoia

Everything worked fine until I upgraded my Mac.

Then, suddenly, my NTFS drive became read-only.

I could still open files, but copying, editing, or deleting anything on the drive was no longer possible.

If you’ve run into the same issue after installing macOS Sequoia, the problem is usually not the drive itself. In most cases, it’s a compatibility issue between macOS and the NTFS software you’re relying on.

More details, please click: NTFS for Mac Not Working On macOS Sequoia, Why And How To Fix?

Why NTFS Drives Break After Major macOS Updates

Every major macOS release changes more than the user interface.

Under the hood, Apple regularly updates:

• Security frameworks
• Driver requirements
• System extension policies
• Storage management components

Most users never notice these changes.

Third-party filesystem developers do.

Because NTFS is Microsoft’s file system, macOS relies on additional software to provide write access. When Apple changes how the operating system handles storage or extensions, NTFS drivers often need updates to remain compatible.

That’s why a drive that worked perfectly on Sonoma or Ventura may stop functioning correctly after upgrading to Sequoia.

The Symptoms I Usually See

When NTFS support breaks, the symptoms are often similar regardless of which driver you’re using.

Common signs include:

The Drive Becomes Read-Only

You can view files, but cannot:

• Copy files to the drive
• Delete files
• Rename folders
• Save changes

The Drive Doesn’t Mount Properly

The drive appears in Disk Utility but not in Finder.

The Drive Doesn’t Appear at All

In some cases, the NTFS software fails to load, making the drive appear missing.

Permissions Requests Keep Reappearing

Some drivers repeatedly ask for system permissions after a macOS upgrade.

The Most Common Cause: Compatibility

When people see an NTFS drive stop working, they often assume:

• The drive is failing
• The data is corrupted
• macOS damaged the disk

In reality, the most common culprit is much simpler.

The NTFS driver hasn’t yet adapted to the latest version of macOS.

This has happened repeatedly across major macOS releases, including:

• Big Sur
• Monterey
• Ventura
• Sonoma
• Sequoia

The pattern isn’t new.

The software simply needs to catch up with Apple’s changes.

What I Check Before Doing Anything Else

Before reinstalling software or reformatting a drive, I verify three things.

1. Does the Drive Appear in Disk Utility?

If the drive appears in Disk Utility, the hardware is usually functioning.

That immediately narrows the problem down to software rather than physical failure.

2. Does Finder Show the Drive?

A drive that appears in Disk Utility but not Finder often points to a mounting issue.

3. Did the Problem Start Immediately After Upgrading macOS?

If the answer is yes, compatibility becomes the most likely explanation.

When Contacting the Developer Makes Sense

One thing I’ve learned from macOS upgrades is that compatibility fixes often arrive quickly.

Many NTFS developers release:

• Updated installers
• New drivers
• Beta builds
• Manual fixes

before updating all public download pages.

If your NTFS software officially claims Sequoia support but still doesn’t work, contacting the developer can sometimes solve the problem faster than troubleshooting on your own.

Considering an Alternative NTFS Driver

When support for a specific NTFS driver is delayed, switching tools can sometimes be the quickest solution.

Different NTFS applications use different technologies and update schedules.

One example is **iBoysoft NTFS for Mac**, which is designed to provide read-and-write access to NTFS volumes on current versions of macOS.

The key question isn’t whether one tool is universally better than another.

It’s whether the software is actively maintained for the version of macOS you’re running.

For compatibility issues, ongoing updates matter more than feature lists.

What I Wouldn’t Do Immediately

When an NTFS driver stops working, I avoid two things at first:

Reformatting the Drive

Reformatting removes the compatibility problem, but it also changes the file system and usually requires backing up data first.

For a driver issue, that’s often unnecessary.

Assuming the Drive Is Broken

Many users panic when a drive becomes read-only.

But if the drive still appears in Disk Utility and files remain accessible, the storage hardware may be perfectly healthy.

My Troubleshooting Order

Whenever an NTFS drive stops working after a macOS upgrade, I work through the problem in this order:

1. Confirm the drive appears in Disk Utility
2. Check whether the drive is mounted
3. Verify system permissions
4. Update the NTFS software
5. Contact the developer if support is claimed
6. Consider switching to another actively maintained NTFS driver
7. Reformat only as a last resort

This approach minimizes risk and usually restores functionality faster than immediately changing the file system.

Final Thoughts

One of the frustrating things about major macOS upgrades is that they sometimes break tools that worked perfectly the day before.

NTFS software is particularly vulnerable because it depends on deep integration with the operating system.

If your NTFS drive stopped working after upgrading to macOS Sequoia, the issue is often a compatibility problem rather than a disk failure.

Before erasing the drive or assuming the worst, check whether the software you’re using has been updated for Sequoia. In many cases, the solution is much simpler than it first appears.