Missing drivers and DVD drive not recognized

[cornellzet]

I just swaped my motherboard for Gigabyte MA-785GM-US2H coupled with a AMD Athlon ii X4 processor. It boots up and internet is fine. I do have missing drivers for PCI device and SM Bus Controller. Also my DVD drive is not recognized. Not sure if the 2 issues are connected but can anyoneone help me with finding the missing drivers and any idea how to get my DVD drive going?
Thank you all!

 

[jaquith]

Duh - what model is the DVD. Otherwise if it's listed in the Device Manager as (?) or (!) then Uninstall and scan or restart.