I installed windows 7 ultimate over my factory installed windows 7 home premium, and have lost my drivers, software, and programs; I'd like to get them back and have tried my drivers and utilities disc already, the dell site, and dell back up (which I didn't make a back up), and device manager, nothing is working and I know I don't have the right drivers for my computer (which is a Dell Inspiron i17r N7110) service tag <ADMIN NOTE: Service tag removed per privacy policy >.

I need help, I just want all my factory dell software back that came with the computer and am ask for a recovery disc or some free assistance. I also would like the dell (recommended) power plan back that use to be on my computer, because it no longer exists. And I believe I may be missing some c++ visuals because on certain sites I get #2116 playback errors.

I do have the Windows.old folder (which is 50.7GB), and have tried command prompt, taking ownership, and everything else, it isn't working, isn't letting me take ownership and I don't know what else to do so please help someone, if you can; it would be much appreciated. thanks :)