If it sees all you devices (sound, video) cards, you don't
a have to do anything the correct "modules" are loade
to "lsmod" (in terminal window) to see loaded modules
cdrom are mounted by default, if you have one harddrive
(/dev/hda) then you CD is /dev/hdb
If there is a icon on you desktop for the CD click on?
You may also be able to accesss via a file manager,
KDE or Gnome.
You can also mount it manualy by logining in as "root"
(as apposed to the your "user" account" by typing
this at the command/shell prompt
mount /dev/hdb /mnt/cdrom
mount /dev/cdrom /mnt/cdrom
If you new to Linux/Unix I would suggest reading thist How to ( amoung others):