How Can I Reformat Sony Dcr-sr47 Camera How Do I Reformat My Sony Vaio Laptop That Has A Virus?

How do i reformat my Sony Vaio laptop that has a virus? - how can i reformat sony dcr-sr47 camera

If I add my team going to try the Windows XP screen, then freezes. I tried to start, rather than ending mode (Safe Mode, etc.) and the freeze on the same screen. The team said it did not need a recovery CD, which is already on your computer. Now I do not know how I can access it. Please help, I'm in school and can not live without my laptop. The model number is PCG V505EC

Thank you!