Added second dvd rom not recognising either dvd drive

[gdf666]

Hello,
I added a second dvd rw drive but now my pc will not recognise either???
Where have i gone wrong and how can i rectify this?
Thanks in advance

 

[jitpublisher]

Okay, so what kind of DVD did you add, and how did you hook it up. What kind of motherboard do you have? We can make wild guess's and speculate all day long without the details.