I have never did this but I think i need to i have came in contact with lots of spyware and just junk, my pc runs majorly slow and lots of errors, i have disc labeled OS, Apps, and System Drivers are those the disc i use becuase my friedns have disc labled System Restoration with their dells, and i was wondering if im missing something or if those are the ones i use... and if so... how do I start?