u obviously pluged something wrong make sure that the ide cable or stata w/e u have is pluged it in tight and make sure when it plugs in the mother board like ide slot 1 / slot 2 make sure its in teh right slot or else its not gona read it becuz ur bios might be set to read ur cd roms from slot 1 and u ppluged it in slot 2 see wat i mean so try that and evn if if spins or w/e that means theere is power going 2 it but the harddrive cant read it cuz its either loose or pluged in wrong