Post codes are progress indicators from the system BIOS,
indicating various stages of the boot sequence from power-on-reset,
and allows you to diagnose any faults related to system boot-up.
Post Codes page displays the last system
post code prior to booting the operating system.
To view the Post Codes, go to
Post Code page displays the system
health indicator, a hexadecimal code, and a description of the code.