Hpbq138.exe | Dmifit Tool And

: Locate the system information on the sticker (usually found under the battery or on the bottom of the laptop).

: Also known as the Product Number (e.g., WA985UA#ABA). DMIFIT tool and HPBQ138.EXE

The and its executable component, HPBQ138.EXE , are specialized software utilities used by HP technicians to "tattoo" or program system board information into an HP laptop's BIOS. This process is most common after a motherboard replacement, where the new board often lacks the original serial number, model name, or SKU, causing the system to show a "Product Information Not Valid" error on boot. What is the DMIFIT Tool? : Locate the system information on the sticker

: It allows you to write or rewrite the Serial Number, SKU, UUID, and PCID. This process is most common after a motherboard

: While modern HP systems use the Windows DMI Firmware Interface Tool (WNDMIFIT) or the HP BIOS Configuration Utility (BCU) , HPBQ138.EXE remains a primary resource for older ProBooks and EliteBooks. How to Use the Tool (Step-by-Step)