If the laptop is a company asset tied to HP Sure Start or Absolute Persistence modules, only HP support can unlock it (usually requiring proof of purchase).
Unlike older desktop PCs where you could pop out a CMOS battery, the ProBook 450 G2 saves passwords to a chip. Even removing the main battery, the CMOS coin cell battery, and leaving the laptop unplugged for a month will not reset the password. hp probook 450 g2 bios password reset
Moderate to Hard Risk Level: High (Data loss, bricking the motherboard) If the laptop is a company asset tied
HP provides a built-in feature to reset the BIOS password on the ProBook 450 G2 laptop. Here's how to do it: the CMOS coin cell battery
is a complex task because business-class laptops utilize enhanced security features that differ from standard consumer models.