How do i reset everything on my samsung NC10 netbook?

Does anybody know how i can start again from scratch on my Samsung NC10 net-book. It doesn't have a disk drive so i'm not sure what i do. I hope somebody knows, I would just really like to start again! Hope somebody can help!How do i reset everything on my samsung NC10 netbook?You need to buy/borrow an external disc drive to wipe the drive and reinstall the operating system.How do i reset everything on my samsung NC10 netbook?make a USB restore