UEFI password

[Paul Pascut]

Hello,

my name is Paul, thank you for the great work you are doing!

I have bought an HP laptop (elitebook 840 g2) from a company that sat an administration password on the UEFI.
I tried to remove it using the  UEFI procedure but it was not enrolled...
I tried removing the bios battery but it didn't work...

I was wondering if flashing the BIOS chip could reset the password.
Do you know if it is possible? do you have any advice how to do it?

Best regards,
Paul

P.S.  I have a IC CH341A USB Programmer with the chip clip

[Thomas Heijligen]

Hi Paul,

a short search on the internet found that the UEFI password protection
can be reset by modifying the content of one of the flash chips. To
read and write to that chip you can of cause use fashrom. But with the
other parts of the procedure we can't help you. But it seems that there
are plenty of how-to's on the internet.

I hope you'll be successfull

-- Thomas

On Tue, 2023-03-07 at 13:03 +0000, Paul Pascut wrote:
> Hello,
>
> my name is Paul, thank you for the great work you are doing!
>
> I have bought an HP laptop (elitebook 840 g2) from a company that sat
> an administration password on the UEFI.
> I tried to remove it using the  UEFI procedure but it was not
> enrolled...
> I tried removing the bios battery but it didn't work...
>
> I was wondering if flashing the BIOS chip could reset the password.
> Do you know if it is possible? do you have any advice how to do it?
>
> Best regards,
> Paul
>
> P.S.  I have a IC CH341A USB Programmer with the chip clip
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