Eu recebi esta mensagem de erro. Eu era capaz de montar anteriormente, mas de repente não foi capaz.
Eu tentei isso
sudo ntfsfix /dev/sdd
mas recebi esta mensagem:
Mounting volume... NTFS signature is missing.
FAILED
Attempting to correct errors... NTFS signature is missing.
FAILED
Failed to startup volume: Invalid argument
NTFS signature is missing.
Trying the alternate boot sector
NTFS signature is missing.
Unrecoverable error
Volume is corrupt. You should run chkdsk.