A: No. HP stopped using generic backdoor passwords after 2010.
Incorrectly shorting pins can permanently destroy the motherboard. hp probook 6470b bios administrator password reset
While this password is excellent for security, it can become a major obstacle if forgotten. A lost BIOS administrator password on an HP ProBook 6470b can prevent you from reinstalling the operating system, changing the system clock, or even booting from a USB drive. changing the system clock
A: No. The main battery and CMOS battery removal do not clear the Admin password on this model. hp probook 6470b bios administrator password reset