Hp Dmi Tool Bootable Usb Direct

The most common reason people seek out the HP DMI Tool is a dreaded red message during boot-up:

"Product Information Not Valid. The following product information programmed into the system board is missing or invalid."

This happens almost exclusively after a motherboard replacement. The new board has a default "dummy" serial number (often something like CNU12345678). The HP DMI Tool allows you to rewrite the correct serial number from the sticker on the bottom of your laptop back into the BIOS chip, silencing the error and restoring warranty tracking capabilities. hp dmi tool bootable usb

Copy the following files (from your HP DMI kit) into EFI\HP\:

DMI stands for Desktop Management Interface. It is a standard that allows management software to discover hardware components, serial numbers, and asset information from a PC. On HP systems, the DMI tool writes this immutable data directly into the NVRAM (Non-Volatile RAM) of the motherboard’s BIOS/UEFI firmware. The most common reason people seek out the

By Tech Recovery Team | Updated: April 2026

If you have ever replaced a dead motherboard on an HP laptop (EliteBook, ProBook, ZBook, or Pavilion) or purchased a used HP system with a “Product Name Not Set” error in the BIOS, you have likely encountered the dreaded DMI (Desktop Management Interface) corruption. "Product Information Not Valid

The solution? The HP DMI Tool on a bootable USB drive.

In this guide, I will walk you through exactly what the DMI tool is, why you need it, and how to create a bootable USB that can rewrite your serial number, product SKU, and system board CT number.

We will use Rufus because it reliably creates legacy bootable media for DOS, which is what older DMI tools require. (For newer UEFI-only systems, see the alternative method later.)

C:\> CPQTAG WRITE BOARD "PCT1234567"