Ask Ubuntu is a question and answer site for Ubuntu users and developers. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I recently formatted my USB drive to NTFS using the command terminal however since then I am unable to mount the USB to my pc and when I try to reformat the USB it says that the permissions are set to read only. Can anybody help me with this?

"Error mounting /dev/sdc1 at /media/fabio/USB DISK: Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,dmask=0077,fmask=0177" "/dev/sdc1" "/media/fabio/USB DISK"' exited with non-zero exit status 13: Can only open '/dev/sdc1' as read-only
$MFTMirr does not match $MFT (record 0).
Failed to mount '/dev/sdc1': Input/output error
NTFS is either inconsistent, or there is a hardware fault, or it's a
SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows
then reboot into Windows twice. The usage of the /f parameter is very
important! If the device is a SoftRAID/FakeRAID then first activate
it and mount a different device under the /dev/mapper/ directory, (e.g.
/dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation
for more details."
share|improve this question

this error happens a.o. when a file transfer was not completed when disk got removed or computer shutdown.

You could try to run

sudo apt-get install ntfsprogs
sudo ntfsfix /dev/sdc1

It should automatically correct the wrong volume metadata

share|improve this answer
Why do u want to use NTFSProgs when NTFS-3g is installed by default??. Also NTFSProgs is outdated and has been merged with NTFS-3g. – Mohit Rajan Apr 5 at 14:01

In my case, my USB drive had a read-only switch that I'd left activated. I flicked the switch over to read-write mode, power cycled the drive and then I could mount read-write again.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.