When repairing or refurbishing an HP laptop, you may encounter the "Product Information Not Valid" error during startup. This occurs because the motherboard’s information—such as the serial number, SKU, and model—is missing or was reset after a motherboard replacement.
How can I fix the boot process on my HP laptop? - Super User Dmifit Tool And Hpbq138.exe Download
If your motherboard is locked, you may need to unlock Manufacturing Programming Mode (MPM) before changes can be saved. When repairing or refurbishing an HP laptop, you
Located on the bottom of the laptop or under the battery. SKU Number: Also known as the Product Number. - Super User If your motherboard is locked,
The (specifically the HPBQ138.exe utility) is the primary solution used by technicians to "tattoo" this information back into the BIOS. What is the DmiFit Tool?
is a core DOS-based component of this toolset. It allows for manual entry of critical system identifiers:
A code typically found on a white label under the battery. How to Use HPBQ138.exe (Step-by-Step)