The DMI region is completely wiped or the CMOS battery is dead. Fix: Replace the CMOS battery and retry. If that fails, use option 3 (Restore default DMI) in HPBQ138.EXE.
Without this data, Windows operating system activation scripts fail, official HP support drivers cannot detect your device automatically, and security platforms (like Absolute LoJack or BitLocker) may fail to deploy. The Role of HPBQ138.EXE
DMIFIT.EXE BQ138.BIN (or similar) DMICFG.INI WRITEDMI.BAT README.TXT FLASH.BAT
: An older, DOS-based version of this utility specifically designed for notebooks manufactured roughly between 2007 and 2014. Key Features & Functions DMIFIT tool and HPBQ138.EXE
The utility will guide you through entering the data. Enter exactly what is printed on your original machine sticker. Serial Number (S/N): As shown on the sticker. Notebook Model: As shown on the sticker.
The DMIFIT tool and its variant HPBQ138.EXE are powerful, low-level utilities designed to solve a very specific problem: a new or corrupted HP system board missing its unique identity tattoo. For those who have the technical skills and legitimate access, they offer a way to restore full functionality to an otherwise working laptop.
Use the keyboard to select options. Changes are written immediately to the BIOS chip. The DMI region is completely wiped or the
Before diving into the usage instructions, it is helpful to recognize the error messages that indicate a missing or invalid DMI configuration. These typically appear after a system board replacement, a corrupted BIOS update, or a firmware failure. The most common error messages include:
Select "Generate New" or use the one on the sticker if available.
The , often specifically associated with the executable HPBQ138.EXE , is a proprietary utility used by HP technicians to "tattoo" a laptop's motherboard with its critical identifying information. This process is essential after a motherboard replacement or if the BIOS loses its configuration, which often results in a "Product Information Not Valid" error during startup. The Purpose of HPBQ138.EXE Enter exactly what is printed on your original
For many HP laptop models, especially older ones, you can enter the BIOS directly to fix "System Board OOA" or "Missing System Information" errors.
While DMIFIT is a legitimate tool for authorized service providers, it poses significant security risks if used improperly.