Cd/dvd not detected by bios my pc

[babu99]

Hello,
hello sir, CD/DVD not seen in bios or in devise manager . i checked ID connections and found OK please help me so that i could see CD/DVD in my computer

 

[PhilFrisbie]

Is it an IDE drive, or SATA?
If IDE, is there any other device connected to the same ribbon cable? If so, then you need to make sure one device is set to be the master and the other to be the slave.