i have a presario v3000 laptop which i erased whole had disk. i want to reinstall a new operating system on it, but it has a password in the bios that its firt owner put. He is in china. i don't have his contact and now i cannot get it to boot. is there any other way to install it?
You will not get much help here on bypassing a laptop bios password.
You need to contact manuf, and may need to provide proof of ownership.

This is a case of a few "Bad" guys who steal laptops and make it hard for HONEST folks as it is part of the forum ruls to to assist in these cases.