Для примера.
В /media/G-есть данные?
# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' to print the universally unique identifier
# for a device; this may be used with UUID= as a more robust way to name
# devices that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# / was on /dev/sda7 during installation
UUID=ea0ac178-fd34-48ad-b6a1-d06d5e848f63 / ext4 noatime,nodiratime,errors=remount-ro 0 1
# /home was on /dev/sda5 during installation
UUID=0d720d8d-0573-6298-1040-266860979f82 /home ext3 noatime,nodiratime,errors=remount-ro 0 2
# swap was on /dev/sda8 during installation
UUID=ec0404c4-3338-46ad-a3cc-4e0c21c64014 none swap sw 0 0
UUID=C410FEAD10FEA598 /media/data/ ntfs-3g defaults,locale=ru_UA.UTF-8 0 0
UUID=F604FE8D04FE505B /media/system/ ntfs-3g defaults,locale=ru_UA.UTF-8 0 0