cd rom drivers

I installed an older version of adaptec cd creators on my Dell

dimension 5150

wich came with newer versions of roxio, since I installed this older versin

on startup came a note that it wont install those drivers. ( upgrate to

soandso, I don't need that)

so i deleted those drivers. now my drive E and D drive

wont work at all, don't even show up in my computer.

I'm lost ,what should or could i do?

any advice appreciated,

heinz