root@foxy-HP-Pavilion-TS-Sleekbook-15:~# ntfs-3g /dev/mmcblk0p1 /mnt
NTFS signature is missing.
Failed to mount '/dev/mmcblk0p1': Invalid argument
The device '/dev/mmcblk0p1' doesn't seem to have a valid NTFS.
Maybe the wrong device is used? Or the whole disk instead of a
partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?