This is my first go-around with an HP hardware issue of this nature, but I am a systems engineer by trade, so I'm not afraid of poking around. Going through the BIOS, I can see the SKU and Serial Number are still intact and I have the CT number recorded on a sticker inside the OEM case. I own an HP ENVY 750 that randomly lost its System Board CT Number.
If I need to create a separate post, or post in another thread/area, please just let me know. Shut down PC, remove the bootable USB drive / DMI tool, and restart the computer.Īll HP pre-BIOS errors/countdowns/lockouts should now be resolved.I am struggling, but I feel this thread has information I need to put me on the right track. Follow the steps and commit the updated TPM data and it will reboot into the DMI tool (or F9 on boot).įinally, in the DMI menu select Lock MPM and follow the steps. In the DMI menu, select Configure / Update TPM. Use the Advanced tab after searching the serial number to locate the required info (use CTRL + F to search the page for the value)įor Prod ID, please note it is case sensitive AND will require both IMG_Desc1 and IMG_Desc2 to be entered (with no space in between) as one stringĬomplete DMI update (following the steps) and it will reboot into the DMI tool ( F9 at boot if necessary). If data is not auto-populating in the forms then you will need to look up the serial number on partsurfer.hp.com Select your bootable drive: UEFI - USB Flash diskĪllow shell script to run and it will bring you to an options screen.
Quickly press F9 to enter boot menu (alternatively, you can use F12 to enter BIOS Select menu and then choose boot menu in the list) Plug the Bootable USB into an open port and Power on the machine. (run AFTER replacing HP hardware) Booting & Using the DMI tool
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