He pasado unos comandos y mira lo que sale:
p@p:~$ sudo -i
root@p:~# lshw | grep dvd;lshw | grep cd
capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
capabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int13floppynec int13floppytoshiba int13floppy360 int13floppy1200 int13floppy720 int13floppy2880 int9keyboard int10video acpi usb
configuration: driver=uhci_hcd latency=0
configuration: driver=uhci_hcd latency=0
configuration: driver=uhci_hcd latency=0
configuration: driver=uhci_hcd latency=0
configuration: driver=uhci_hcd latency=0
configuration: driver=uhci_hcd latency=0
*-cdrom
logical name: /dev/cdrom
capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
root@p:~# cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' 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>
# /
UUID=7986c6e7-6f1b-4405-85ee-373725541942 / ext4 defaults,errors=remount-ro 0 1
# cdrom
/dev/sr0 /mnt/sr0 iso9660 ro,loop,noexec,nodev,noatime,noauto 0 0
/dev/sr0 /media/sr0 iso9660 ro,loop,noexec,nodev,noatime,x-gvfs-show 0 0
/dev/sda2 /media/sda2 ext4 ro,loop,noauto,noexec,nodev,noatime,noload 0 0 # by rbfstab
/dev/sda3 /media/sda3 swap ro,noauto 0 0 # by rbfstab
root@p:~# groups p
p : p dialout fax cdrom floppy tape sudo dip video plugdev netdev fuse lpadmin nopasswdlogin sambashare
p@p:~$ sudo -i
root@p:~# lshw | grep dvd;lshw | grep cd
capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
capabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int13floppynec int13floppytoshiba int13floppy360 int13floppy1200 int13floppy720 int13floppy2880 int9keyboard int10video acpi usb
configuration: driver=uhci_hcd latency=0
configuration: driver=uhci_hcd latency=0
configuration: driver=uhci_hcd latency=0
configuration: driver=uhci_hcd latency=0
configuration: driver=uhci_hcd latency=0
configuration: driver=uhci_hcd latency=0
*-cdrom
logical name: /dev/cdrom
capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
root@p:~# cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' 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>
# /
UUID=7986c6e7-6f1b-4405-85ee-373725541942 / ext4 defaults,errors=remount-ro 0 1
# cdrom
/dev/sr0 /mnt/sr0 iso9660 ro,loop,noexec,nodev,noatime,noauto 0 0
/dev/sr0 /media/sr0 iso9660 ro,loop,noexec,nodev,noatime,x-gvfs-show 0 0
/dev/sda2 /media/sda2 ext4 ro,loop,noauto,noexec,nodev,noatime,noload 0 0 # by rbfstab
/dev/sda3 /media/sda3 swap ro,noauto 0 0 # by rbfstab
root@p:~# groups p
p : p dialout fax cdrom floppy tape sudo dip video plugdev netdev fuse lpadmin nopasswdlogin sambashare