A computer's Basic Input Output System and Complementary Metal-Oxide Semiconductor together handle a rudimentary and essential process: they set up the computer and boot the operating system.

The Basic Input/Output System allows you to change various low-level settings on your HP Pavilion workstation, including USB port activation and hard disk detection. On occasion, you may need to ...

Your computer's Basic Input/Output System or Unified Extensible Firmware Interface shouldn't need to be updated that often, but a hardware bug or compatibility issue may require it.

BIOS (Basic Input/Output System) updates won’t improve the computer’s performance nor do they generally address security issues. They may be issued to fix bugs or to support new hardware.

Machines with BIOS (Basic Input/Output System) firmware conduct a self-diagnosis when booting up. If the diagnosis fails, it uses the audio signals to alert users to existing problems.

Your computer's Basic Input/Output System or Unified Extensible Firmware Interface shouldn't need to be updated that often, but a hardware bug or compatibility issue may require it.