Hi there, meohmy.
I'm sorry to hear that you are having issues with your printer as I understand how frustrating that is. Here is a link to another HP thread that might help you with the wireless setup issue for your HP photosmart c4580. Hope it helps!
I work for HP and support the HP Experts volunteering to help others, but please know I speak for myself and not for HP.
--Say "Thanks" by clicking the Kudos Star in the post that helped you.
--Please mark the post that solves your problem as "Accepted Solution"