Mounting NTFS after unclean shutdown

To display your partition information type at command prompt.
sudo fdisk -l

The output will look like this:
*******************************************
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xecd6ecd6

Device Boot Start End Blocks Id System
/dev/sda1 * 1 2550 20482843+ 7 HPFS/NTFS
/dev/sda2 2551 19457 135805477+ f W95 Ext'd (LBA)
/dev/sda5 2551 7649 40957686 7 HPFS/NTFS
/dev/sda6 7650 14023 51199123+ 7 HPFS/NTFS
/dev/sda7 14024 14351 2634628+ 82 Linux swap / Solaris
/dev/sda8 14352 19457 41013913+ 83 Linux
***************************************************************


To display your disk usage information type at command prompt.
df -h

The output will look like this:
************************************************************
Filesystem Size Used Avail Use% Mounted on
/dev/sda8 39G 11G 27G 29% /
tmpfs 497M 0 497M 0% /lib/init/rw
varrun 497M 384K 496M 1% /var/run
varlock 497M 0 497M 0% /var/lock
udev 497M 2.7M 494M 1% /dev
tmpfs 497M 104K 497M 1% /dev/shm
lrm 497M 2.0M 495M 1% /lib/modules/2.6.27-11-generic/volatile
/dev/sda5 40G 12G 28G 29% /media/disk
/dev/sda1 20G 17G 2.6G 87% /media/Local Disk
**************************************************************

Then to mount the partition forcefully
select appropriate partition number that is not mounting instead of /dev/sda6
mount -t ntfs-3g /dev/sda6 /media/sda6 -o force

This should solve your problem.