Unlock HP z840 Manufacturing Mode

[wmn]

Hi,

I need to unlock the HP z840 Manufacturing Mode to restore the TPM functionality of the motherboard.

Is that possible?

I have posted a thread on HP Support forum without success.

https://h30434.www3.hp.com/t5/Busine...s/td-p/8103194

Thank you.

[peste]

Re: Unlock HP z840 Manufacturing Mode

Hi,

I need to unlock the HP z840 Manufacturing Mode to restore the TPM functionality of the motherboard.

Is that possible?

I have posted a thread on HP Support forum without success.

https://h30434.www3.hp.com/t5/Busine...s/td-p/8103194

Thank you.

try this..

https://www.youtube.com/watch?v=9T57ktw8n3Y

[wmn]

Re: Unlock HP z840 Manufacturing Mode

Hi,

this tool is the HP BIOS Configuration Utility (BCU)

latest version can be downloaded here:

http://ftp.ext.hp.com//pub/caps-soft...it/HP_BCU.html

It gives me error when trying to unlock the MPM:

<SETTING changeStatus="fail" name="Manufacturing Programming Mode" reason="SetBIOSSetting: Access Denied" returnCode="6">
<OLDVALUE><![CDATA[Lock]]></OLDVALUE>
<NEWVALUE><![CDATA[Unlock]]></NEWVALUE>
</SETTING>
<ERROR msg="Failed to set BIOS config" />
<Warning msg="BCU return value" real="16" translated="16" />
</BIOSCONFIG>Process Completed Successfully.....

It will not unlock the MPM.


Thank you for your feedback.

[wmn]

Re: Unlock HP z840 Manufacturing Mode

Hi,

I read this document:

Instructions on CREATING the MPM-Unlocking SMC.BIN USB Drive

https://manualzz.com/doc/44691860/in...ng-smc.bin-usb

I tried using HP NBDmiFit tool

https://www.finalfixer.com/2020/02/h...mifit-all.html

But the included FSMC.bin that you rename as SMC.bin is not working on the z840.

At least I followed the procedure described in the above pdf without success.


Thanks.

[wmn]

Re: Unlock HP z840 Manufacturing Mode

hi,

I tried the UefiMpmUnlock.efi but i got "HP MPM protocol is not present."

so what else I can do?

Thank you.