It may be your cd rom or cd rom's cable are faulty. You should insert any another cd in cd rom, if it is detect then your cd rom is fine otherwise your cd rom or cd rom's cable are faulty. You need to replace your cd rom's cable or cd rom.
The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Purch hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.