rh9 cannot mount cd's

Sled kato instalirah redhat 9 nqmam nikakvi problemi osven tova 4e nemoga da mountvam ni6to. izob6to nqmam dostap do CDRW ustroistvoto i DVD ustroistvoto kakto i windowskite partitioni i flopy-to. Kajete kakvo da pravq

tova e v /etc/fstab:
LABEL=/ / ext3
defaults 1 1
none /dev/pts devpts
gid=5,mode=620 0 0
none /proc proc
defaults 0 0
none /dev/shm tmpfs
defaults 0 0
/dev/hda3 swap swap
defaults 0 0