The HP 500B MT originally shipped with an BIOS, versioned by HP. Unlike modern UEFI firmware, the 500B MT uses a traditional Legacy BIOS with a text-based setup utility accessed via a function key during boot.
HP provides BIOS updates to fix known issues and improve system stability. hp 500b mt bios
This procedure assumes you have downloaded the BIOS update (e.g., SP55240.exe ) and are running the computer on stable power. The HP 500B MT originally shipped with an
Modify which drive the computer checks first for an operating system (e.g., Hard Drive, USB, or Optical Drive). or Optical Drive).