Home > Questions

NTFS External Drives Won't Mount after Security Update on Mac (com.apple.DiskManagement.disenter error 49221)

Deeply frustrating. Manual mounting is possible, with DiskManager bypass; but the media server remains broken as a result. Can the update be removed?

Best Answered by

iBoysoft author Sherry Song

Sherry Song

Answered on Tuesday, August 27, 2024

Don't worry, it's easy to fix.

After macOS updates, it's common to encounter that the NTFS drive can't mount on Mac because there are some macOS bugs or incompatible with the NTFS drivers.

You'd better utilize an effective tool to mount your NTFS drive like iBoysoft NTFS for Mac, which can excellently fix that NTFS external drive can't mount on Mac issues.

 Download

iBoysoft NTFS for Mac

Rating:4.8

     

Or you can reinstall macOS, you can download the compatible macOS versions on the official website. Boot your Mac into macOS Recovery Mode then do the reinstallnation. But this method is so difficult, why not try iBoysoft NTFS for Mac?

Also read: Fix com.apple.DiskManagement.disenter error 49221 on Mac

People Also Ask

BootCamp drive not showing up after installing NTFS for Mac

This post tells you how to fix BootCamp not showing up in startup disk after installing NTFS for Mac

iBoysoft author Jenny ZengJenny Zeng

Can't mount Boot Camp partition on Mac after extending

If your Boot Camp partition becomes unmountable after being extended on Mac, you can take a look at this answer and try the provided tips.

iBoysoft author Jenny ZengJenny Zeng

Cannot write to external hard drive after macOS update

This thread shares a good deal when you cannot write to an external hard drive after a macOS upgrade which happens so often.

iBoysoft author Yuri ZhangYuri Zhang

Cannot mount external ssd on new Mac mini, what to do?

This answer explains why an external SDD cannot be mounted on a new Mac computer, and more importantly, helps you fix the cannot mount external SSD on Mac issue.

iBoysoft author Rivers WongRivers Wong

Incorrectly-formatted external drive not mounting on Mac

Here are the steps to follow if your external drive can't be mounted after it's incorrectly formatted on Mac.

iBoysoft author Jenny ZengJenny Zeng

External HDD not Mount after Update on Mac

Help to fix the external HDD drive not mount on Mac without data loss.

iBoysoft author Sherry SongSherry Song

Read More Questions

Read More Advice From iBoysoft's Computer Experts

how to copy files to NTFS on Mac

How to Copy Files to NTFS Drives on Mac (2024 Full Guide)

About how to copy files to read-only NTFS drive on Mac with or without formatting. Fix the 'unable to copy files from Mac to external hard drive' issue. 100% free ways to copy to NTFS drives on a Mac.

NTFS for Mac Tips

How to fix SD card read only on Mac

SD Card Read Only on Mac?Change from Read Only to Read&Write

Is your microSD/SD card read-only on Mac? Here are the causes and solutions to change the SD card from read-only to read/write on Mac.

How to Tips

qué es NTFS para Mac

¿Qué es NTFS para Mac y lo necesitas?

Esta publicación responde tus preguntas sobre NTFS para Mac, incluyendo qué es NTFS para Mac, si NTFS para Mac es seguro, si necesitas NTFS para Mac, etc.