Just bought a new comp. Sony Vaio, p4 2.4 ghz, with an 80 gig hard drive. Plugged in my soundblaster audigy gamer, my g-force 4 ti 4400 video card, loaded all my software and then played a couple of games and was not happy with the performance. Come to find out my C: drive is only 20 gigs and almost full, while my D: drive is 60 gigs and empty. How can I make my C: drive larger? Or what do I need to do to fix this?