Computer won't recognize any DVD drive

I just built a new PC about three weeks ago....everything running OK until today. Suddenly "My Computer" doesn't recognize ANY DVD. I had installed a Lite-On iHAS424-98 B, DVD drive, and it was working fine. Tried to re-install the driver, "FAILED". So I tried another DVD (HP DVD) still the same thing. I installed both drives in another pc, and they BOTH work OK..So, I went back to my NEW pc, and changed SATA ports on motherboard,,the BIOS says (always has) the drives are there, but Windows says "Windows cannot load the device driver for this hardware. The driver may be corrupted or missing. (Code 39)" ....New Asus M4A88TD-M/USB3 MB, Phenom II X4 965, Windows 7 Ultimate 64 Bit... "" NEED HELP PLEASE"". Can anyone help me. Never ran across this before in building PC's... Thanks..
 
Thanks Mailpup...for the info.....It was a lot to go thru...but I found the problem and fixed it.....Everything now A.O.K......Thanks again.....;)
 
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