Nov 28, 2015 I recently bought a Toshiba Hard-Drive with the following features: 500GB; It is a Canivo Basics 3.0; It is USB 3.0 and 2.0 portable hard drive; It has already been formatted NTFS for Windows XP, Vista, 7, and 8; The box says that it can be reformatted for Mac; I have a Macbook Pro with Retina Display that I bought this year in late March/early.
I have a Toshiba 2TB External drive which I have used for the past 5 or 6 months to keep copies of my iPhoto Library and my Time Machine backups on. Yesterday, I plugged the drive into the USB slot to find it no longer appeared on the desktop. In Disk Utility, it was not mounted and I cannot do anything but format it which I don't want to do. Any suggestion to fix Toshiba external hard drive not mounting on Mac?
Toshiba external hard drive is so famous that numerous people are using it. However, it also brings you many troubles. The most common one is Toshiba external hard drive not mounting on Mac. What causes Toshiba external hard drive not mounting issue? There are various reasons, such as virus attack, power failure, damaged volume header, file directory corruption, etc. In this post, you will get solutions to Toshiba external hard drive not mounting on Mac without data loss.
How to fix Toshiba external hard drive not mounting on Mac?
Toshiba external hard drive won't mount in Disk Utility? Can't stand the loss of important files? There are two effective solutions to Toshiba external hard drive not mounting on Mac.
Toshiba External Hard Drive Software For Mac Computer
Fix 1: Repair unmountable Toshiba external hard drive with Disk Utility
Fortunately, Mac has a built-in repair tool to check and verify minor errors on disks called First Aid. No matter what problems you are meeting on a disk, First Aid is your first choice to repair it.
Step 1: Launch Disk Utility.
Step 2: Choose the grayed out Toshiba external hard drive.
Step 3: Select First Aid in the top center and click Run.
Fix 2: Perform data recovery before reformatting
IfDisk Utility cannot repair your disk which is unmountable, the last solution is to reformat the unmountable external hard drive, but in order to avoid data loss, you have torecover lost data from unmountable external hard drive as soon as possible.
Step 1: Recover lost data from Toshiba external hard drive on Mac
As the best free Mac data recovery, iBoysoft Data Recovery for Mac is able to recover lost data if theexternal hard drive not mounting, recover lost data from unreadable, corrupted, inaccessible external hard drive, hard drive, USB flash drive, SD card, memory card, etc. It supports to recover lost data from APFS, HFS, HFS+, exFAT, FAT32 drives on macOS Catalina 10.15/Mojave 10.14/High Sierra 10.13/Sierra 10.12/10.11/10.10/10.9/10.8/10.7.
1. Download and install iBoysoft Data Recovery for Mac on Mac.
2. Launch this program. Select the unmountable Toshiba external hard drive and click 'Next'. The program will start scanning this drive for recoverable files.
3. After the scanning process finishes, you can click the found files and preview.
4. Choose what you want to get back and click 'Recover'.
5. Go through the recovered files and make sure all desired files are back.
Step 2: Fix Toshiba external hard drive not mounting on Mac by reformatting
1. Go to Applications > Utilities > Disk Utility.
2. Select the unmountable Toshiba external hard drive and click 'Erase' on the top.
3. Provide a name and a format to format the drive.
Toshiba External Hard Drive Software For Mac Pc
4. When finished, you can mount your Toshiba external hard drive on Mac and use it again.
Toshiba External Hard Drive Software Download For Mac
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