dvd rom do not detect dvd

[ayush]

i have a samsung dvd rom sd-608 after formatting my system the dvds are not running.also when my brother formatted his system his dvd don't play he also has the same model is it a driver problem.please help me.when i enter the dvd it does not detect it
when i click on the cd icon in mycomputer it says please enter a disk into drive e

[theraven]

WHY are u reposting the same topic ??
http://www.thinkdigit.com/forum/viewtopic.php?t=7856
mods ... if u plz ...