lee@LF824-alice:~$ cat /etc/fstab
# /etc/fstab: static file system information.
#
# -- This file has been automaticly generated by ntfs-config --
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# Entry for /dev/sda1 :
#UUID=FA04DEAC04DE6B61 /media/Sys ntfs-3g defaults,locale=en_US.UTF-8 0 0
# Entry for /dev/sda2 :
UUID=45a48c22-4922-455d-b44a-befe18ecb9c1 / ext3 nouser,defaults,errors=remount-ro,atime,auto,rw,dev,exec,suid 0 1
# Entry for /dev/sda5 :
UUID=ca09c6a6-95a9-4289-be01-340e65577fc6 none swap sw 0 0
# Entry for /dev/sda6 :
UUID=d522b88f-a6bd-4973-9328-7f9649877c4f /home ext3 nouser,defaults,atime,auto,rw,dev,exec,suid 0 2
# Entry for /dev/sda7 :
UUID=6a9f86fe-8d61-4d01-be01-17f755aab559 /var/cache/apt/archives/ ext3 users,defaults,atime,auto,rw,dev,exec,suid 0 2
# Entry for /dev/sda8 :
/dev/sda8 /media/Program ntfs-3g defaults,locale=en_US.UTF-8 0 0
# Entry for /dev/sda9 :
/dev/sda9 /media/sda9 ext3 nouser,defaults,atime,auto,rw,dev,exec,suid 0 2
lee@LF824-alice:~$
把/etc/fstab里面关于光驱的东西清理掉,重启X,应该系统会自动挂,要不你的光驱可以退休了。