Вот как должен выглядеть твой fstab
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# /dev/sda1
UUID=87e10670-4036-49d7-819e-7defc12a95ca / ext3 nouser,defaults,errors=remount-ro,atime,auto,rw,dev,exec,suid 0 1
# /dev/sda2
UUID=126D5C0A94D68901 /media/sda2 ntfs defaults,nls=utf8,umask=007,gid=46 0 1
# /dev/sda4
UUID=8d4e1930-0543-46e6-807c-881320f642ca /media/sda4 ext3 nouser,defaults,errors=remount-ro,atime,auto,rw,dev,exec,suid 0 1
# /dev/sda5
UUID=a7e547bc-7e85-11dc-9dda-97a754bf9cfe /media/sda5 ext3 nouser,defaults,errors=remount-ro,atime,auto,rw,dev,exec,suid 0 1
# /dev/sda7
UUID=dfe3a234-7f35-11dc-bdb0-e3c383c9603c /media/sda7 ext3 nouser,defaults,errors=remount-ro,atime,auto,rw,dev,exec,suid 0 1
# /dev/sda6
UUID=5f15f150-e762-403f-a218-aaef4b33f01d none swap sw 0 0
/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto 0 0