Can you get root privilege?
If you can, execute
to know the partition you want to use.
If it is /dev/sdb1, execute
Code:
mount /dev/sdb1 /mnt -o rw
ls /mnt
You should add options to mount command, such as "-o uid=1000,umask=077" for ntfs, vfat=FAT32 and "-t ntfs-3g" for ntfs.
Read the man (manual) page of mount by
You can open /mnt directory with your favorite file manager.