Some times there is the need to reset bios password, in order to be able to enter the BIOS and modifying its settings (e.g. to change the boot order). This BIOS Reset procedure on a desktop computer is a relatively easy process, because in most cases all you need to do is to remove the power cord and the CMOS/BIOS battery for a few minutes or to short the CLEAR CMOS jumper on the motherboard (if exists).
Read more: How to Reset BIOS Password on a HP Laptop (Probook, Elitebook or Pavilion)