How to restore a netbook that has no CDROM and won't boot?

http://netbooks-us.custhelp.com/app/answers/detail/a_id/259/kw/recovery%20using%20the%20cd/related/1/session/L2F2LzEvc2lkL3RqT0VaUjhr

Alt-F10 goes to a special recovery program. Nice.