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/Mojave update? Don't know how to fix read-only external hard drive after the High Sierra/Mojave update? No worry! This article will talk about why external hard drive shows read-only after the High Sierra/Mojave update and how to fix the problem.
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 older versions of Mac were able 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?
Solution 1: Use 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/Mojave 10.14/10.12 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 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 Mojave 10.14/High Sierra 10.13/10.12 Sierra and Mac c OS X 10.11/10.10/10.9/10.8/10.7.
Besides, iBoysoft Drive Manager can also manage network drives and external drives (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.
Simple 3 steps to fix read-only external hard drive after the High Sierra update with iBoysoft Drive Manager
Step 1: 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.
Still have questions?