Sony DRX-810UL

I have recently bought this dvd burner and I am having the most horrible time trying to get this to work on my computer. I have tried all my usb ports and even my firewire port and yet it still wont install on my computer I do not have the driver cd i really didnt think i needed one because of windows xp but my computer is a hp pavillion zx5000. can someone please help me. :sad: