Hi
Try this one to reset the password.
BIOS passwords can be reset in two ways,
1. using software 2. using hardware.
I would first try resetting using software, here are two software's to reset orretrieve BIOS passwords.
!BIOS- is a PC BIOS toolkit offering password removal/decrypt and BIOS settingsmodification/backup/restore.
CmosPwd- Cmos password recovery tools
Please let us know if it works.