CD-ROM non riconosciuto

[Solaris]

Salve,
da qualche giorno i DVD/CD non vengono piu' riconosciuti da Ubuntu 11.10.
posto dei risultati di vari comandi per avere qualche aiuto!
cdrecord -scanbus

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scsibus3:
	3,0,0	300) 'TSSTcorp' 'CDDVDW TS-L632N ' '0503' Removable CD-ROM
	3,1,0	301) *
	3,2,0	302) *
	3,3,0	303) *
	3,4,0	304) *
	3,5,0	305) *
	3,6,0	306) *
	3,7,0	307) *

wodim --devices

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wodim: Overview of accessible drives (1 found) :
-------------------------------------------------------------------------
 0  dev='/dev/sg1'	rwrw-- : 'TSSTcorp' 'CDDVDW TS-L632N'
-------------------------------------------------------------------------

sudo lshw -C disk

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  *-cdrom                 
       description: DVD-RAM writer
       product: CDDVDW TS-L632N
       vendor: TSSTcorp
       physical id: 0.0.0
       bus info: scsi@3:0.0.0
       logical name: /dev/cdrom
       logical name: /dev/cdrw
       logical name: /dev/dvd
       logical name: /dev/dvdrw
       logical name: /dev/sr0
       version: 0503
       capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
       configuration: ansiversion=5 status=nodisc
  *-disk
       description: ATA Disk
       product: WDC WD3200BEVT-6
       vendor: Western Digital
       physical id: 0.0.0
       bus info: scsi@0:0.0.0
       logical name: /dev/sda
       version: 11.0
       serial: WD-WXE308EU0288
       size: 298GiB (320GB)
       capabilities: partitioned partitioned:dos
       configuration: ansiversion=5 signature=1ccd1ccd
  *-disk
       description: SCSI Disk
       physical id: 0.0.0
       bus info: scsi@5:0.0.0
       logical name: /dev/sdb
       size: 931GiB (1TB)
       capabilities: partitioned partitioned:dos
       configuration: signature=73dc403e

spero riusciate a risolvere il mio problema!

grazie in anticipo!

[magozurlinux]

Da terminale postami questi comandi:

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ls /media

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cat /etc/fstab