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Error mounting systems managed device /dev/sdb1:

Command-line mount"/mnt/5617-A6EF" exited with non-zero exit status

32:mount:mnt/5617-A6EF:unknown filesystem type 'exfat'.

How to fix this?

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    Have you installed xfat utillities ? sudo apt-get install exfat-fuse exfat-utils from a terminal should do it. – Soren A Jan 04 '18 at 11:19

1 Answers1

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As mentioned in the error:

unknown filesystem type 'exfat'

This means that you don't have the exfat file system installed.

To install exfat, do:

sudo apt-get install exfat-fuse exfat-utils

You should now be able to mount your external HDD.

Also, you might need to reboot your PC for the changes to take effect.

Zanna
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wblm
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  • Reboot, seriously? Why? Not running an old Windows here – Xen2050 Jan 04 '18 at 12:04
  • no we are not , I came across the awnser when looking for something else and posted that awnser from previous fix – wblm Jan 04 '18 at 21:22
  • Usually a modprobe might be all that's required, or user logging out & back in if it's a desktop related change. Upgrading the kernel is even possible without rebooting. – Xen2050 Jan 05 '18 at 00:56