My CD/DVD drive isnt showing up in my computer or in the device manager. My drive is an Optiarc DVD RW AD-750A My computer is a Lenovo ideapad-Y710 laptop I have had this problem for a while. I finally just backed up to an external and re installed windows. but still the problem exists. I know there isnt a problem with the drive because it works if i put in a boot CD like the windows 7 install CD or an Ubuntu 9.10 CD. I have tried the filter registry editing approach with no luck. im also getting 2 base system devices that can't find drivers automatically. I'm not sure if this is related or not but it doesn't really give me any more info than that. I'm not new to computers or anything. Other people think I know everything but i don't think they know how Google works haha. This is one situation where Google isn't helpful, because all of the search results come up with solutions that involve filter registry blah. Thanks for any help.