$LogFile indicate unclean shutdown (0,0) Failed to mount '/dev/sdb1' Operation not supported Mount is denied because NTFS is marked to be in use. Choose one action: Choice 1: if you have Windows then disconnect the external devices. by clicking on the 'Safely Remove Hardware' icon in the Windows taskbar then shutdown Windows cleanly. Choice 2: if you don`t have Windows then you can use the'force' option for your own responsibility. For example type on the command line: mount -t ntfs-3g/dev/sdb1/media/disk -o force Or add the option to the relevant row in the /etc/fstab file: /dev/sdb1 /media/disk nfts-3g force 0 0