The tool manages the Manufacturing Programming Mode (MPM) . Once the information is written, the MPM must be "locked" to prevent unauthorized changes and clear boot warnings. How to Use the HP Doctor DMI Tool
Solved: DMI Tool / Branding - HP Support Community - 9073699
Technicians can enter specific data including: Serial Number (S/N) and Product Number (SKU) .
and Build ID (often found on labels under the battery or on the chassis). PCID and System Board CT Number .
It resolves boot-up errors such as "00A System Board CT not valid," which occurs when the board's information doesn't match the BIOS.