This is not for your specific model but it will be pretty much the same steps. Get a replacement and your golden.
[guide|3996]
http://www.amazon.com/Dell-Inspiron-Studio-8000-X755M/dp/B007T9867E
Your actually DELL manual.
http://downloads.dell.com/Manuals/all-products/esuprt_desktop/esuprt_inspiron_desktop/inspiron-580_service%20manual_en-us.pdf