How to fix read-only external hard drive after High Sierra update?

Posted by Katrina to NTFS for Mac on January 15th, 2018

After upgrading to macOS High Sierra on my MacBook Air, everything seemed to be good. Until today, when plugging in my Toshiba external hard drive, I found it became read-only and I couldn't transfer any file from Mac to the external hard drive. How to solve read-only external hard drive after the High Sierra update? Any help would be appreciated!

External hard drive shows read-only after the High Sierra update? Don't know how to fix read-only external hard drive after the High Sierra update? No worry! This article will talk about why external hard drive shows read-only after the High Sierra update and how to fix external hard drive read-only problem after the High Sierra update.

Why external hard drive shows read-only after the High Sierra update?

Instead of the fault of your external hard drive or Mac computer, most of time, it is just because your external hard drive is formatted to NTFS for Windows computers and the High Sierra is partially compatible with NTFS external hard drive.

The old versions of Mac had the ability to mount NTFS external hard drive with read and write mode, but for some technical and copyright issues, all versions of macOS only enable NTFS read support, but don't enable NTFS read and write support by default. Thus we are unable to edit, create and copy files from to a NTFS drive on Mac after the High Sierra update.

How to fix read-only external hard drive after the High Sierra update?

In this situation, using a professional NTFS driver for Mac is your best choice. Here we recommend you two is the top NTFS for Mac software to fix read-only external hard drive after the High Sierra update.

Solution 1: fix read-only external hard drive with the cheapest NTFS for Mac utility in App Store

As the cheapest NTFS for Mac utility in App store, NTFS Assistant gives us full capability to NTFS external hard drive. It allows us to edit documents, rename folders, copy and save files from Mac to a NTFS drive on macOS High Sierra 10.13/10.12 Sierra/10.11/10.10/10.9/10.8/10.7.

Guidance to download and use NTFS Assistant

Step 1: Download and install NTFS Assistant from App Store >>.

Step 2: Download and install NTFS Assistant Helper >>.

Step 3: Launch NTFS Assistant and connect a NTFS external hard drive to Mac.

Solution 2: Mount NTFS drive, external drive and network drive with iBoysoft Drive Manager

iBoysoft Drive Manager is a professional NTFS mounter for Mac that can not only read and write to NTFS drive, but also mount and unmount FAT32 drives, exFAT drives on macOS High Sierra 10.13/10.12 Sierra/10.11/10.10/10.9/10.8/10.7.

Download iBoysoft Drive Manager

Besides, iBoysoft Drive Manager can also manage network drives and external drive (including external hard drive, USB flash drive, SD card, memory card, CF card, pen drive) with ease. Only a single click on the menu bar, we can mount, unmount network drives and external drive. So if you are also bothered by the inconvenience of mounting, unmounting external drive and network drives, iBoysoft Drive Manager is certainly the best choice.

Fix read-only external hard drive after the High Sierra update with iBoysoft Drive Manager

Simple 3 steps to fix read-only external hard drive after the High Sierra update with iBoysoft Drive Manager

Step 1: Free download and install iBoysoft Drive Manager on Mac.

Step 2: Launch iBoysoft Drive Manager and connect NTFS external hard drive to Mac.

Step 3: Write to NTFS external hard drive after getting the notification that the drive has been mounted successfully.

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