INSTALLING problem in redhat 9

[gourav.arya13]

i m trying to install redhat 9 on my laptop by 3 cd's of it.
after inserting 1'cd in cdrom  selecting option of language when option came for select "select option for installation by 1.cd rom
                                                                                                                                                                       2.hard disk   3 nfs  4 by image
then it cannot select more option from further ...........what i do