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Tags: 18.04   mount   gparted   exfat  
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Title: Cannot mount usb hard drive
ID: /2019/04/09/Cannot-mount-usb-hard-drive
Created: April 9, 2019    Edited:  April 9, 2019
Upload: November 24, 2022    Layout:  post
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Firstly, an easier way of mounting is to use:

mount -t auto /dev/sdb /media/usb-drive

This way you are spared the magical incantations of specifying a partition type.

Secondly, you may have errors on the drive and/or the partition table may be damaged. This happened to me when using dd to erase the first MB of a USB on /dev/sdd and I accidentally used /dev/sdb. This wiped out the first 1 MB of my second hard disk containing the MBR (Master Boot Record) and partition table.

TestDisk can be downloaded here and has versions for Windows and Linux. It goes through every byte of your hard drive to analyze what partition type it is and rebuilds the partition tables. I used TestDisk to successfully recover all my data.

From the website, TestDisk can:

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