Before configuring the BIOS, it is important to understand the distinction between the two main types of passwords available in the ProBook 450 G2 BIOS menu:
Resetting a BIOS administrator password on an older business machine like the can be challenging because HP stores these passwords on a dedicated security chip rather than volatile CMOS memory. This means that simply removing the CMOS battery often will not work for this model. Top Methods to Resolve or Reset the BIOS Password 1. Use HP SpareKey (If Previously Configured)