HP EliteBook 640 G9 Bios password

[ismaelstepheno]

TRY
DONT TOUCH THE IC BIOS JUST THE MAIN BIOS 1ST BOOT F10 RESET SECURITY SETTING TO FACTORY

[pablo_1084]

Can you help me unlock the elitebook 640 g9 board no. DAX8SFMB8B2 REV:B
5CD345BT87 SERIES
SPI ROM AND EC ROM ATTACHED.
I DON'T KNOW WHICH OF THE TWO HAS THE KEY SINCE I HAVE TRIED IN SEVERAL WAYS AND I CANNOT UNLOCK IT
PLEASE PLEASE

[pablo_1084]

shiyab still blocked from bios
This file is for the EC, correct? or for the SPI?

[shiyab]

CAN YOU HELP ME UNLOCK THE BIOS
ELITEBOOK 640 G9
SERIAL 5CD345BT87
MB: DAX8SFMB8B2 REV B

PLEASE HELP ME

hi try and feedback

[pablo_1084]

CAN YOU HELP ME UNLOCK THE BIOS
ELITEBOOK 640 G9
SERIAL 5CD345BT87
MB: DAX8SFMB8B2 REV B

PLEASE HELP ME

[pablo_1084]

CAN YOU HELP ME UNLOCK THE BIOS
ELITEBOOK 640 G9
SERIAL 5CD345BT87
MB: DAX8SFMB8B2 REV B

PLEASE HELP ME

[supernova112]

HI, Could please help me to remove bios admin password on Hp 640 g9?

Serial_5CD341CM39
Product_ID 67W58AV

Thank you in advance!

[peste]

post merged..

[ahmarzo]

hi i have laptop 640 g9 with serial number 5CD422186Q i want to remove the bios logo from a company name to hp logo.this is a abackup of working bios with board part no DA0X8SMB8H2 REV H.

[retrooo]

hoaca388 [/B];n3515851]

hi iuse your file but password still on,can you helpme again

thanks

update! it works for some reason was not erasing the chips,i reflash the eeprom with your dump and works!! thank you

[ismaelstepheno]

thank you very much hoaca388 its working

[hoaca388]

please someone can unlock this dump i have tried to unlock it but i had the same issue like post 283

SN : 5CD3128QWS

HP EliteBook 640 14 inch G9 Notebook PC
CT Number_6MBME0KWYHSRCR
Serial_5CD3128QWS
Product_4D0Y5AV
Build Id_22WWRTDZ601#SABE#DABE
Fearture byte_476J6S6b7B7H7M7R7W7m7saBaEapaqauawbhcAfPguhKhkjhk8mEn7nVpDpFpVpnpqprqjqz.et

[ismaelstepheno]

please someone can unlock this dump i have tried to unlock it but i had the same issue like post 283

SN : 5CD3128QWS

[santoslao]

try

It worked perfectly, thank you!!

[osman68i]

Please help me disable Absolute!

Hp Elitebook 640 g9
Sn# BRJ3419WJB

try

[santoslao]

Please help me disable Absolute!

Hp Elitebook 640 g9
Sn# BRJ3419WJB

[retrooo]

Try , from G9 onwards, unlocking via EC is not possible


HP EliteBook 640 14 inch G9 Notebook PC
CTNumber_6MBME0NWYIMII4
Serial_5CD3478MW2
Sku_72Z70UC#ABM
Build Id_22WWRTDZ602#SABM#DABM
Fearture byte_476J6S6b7B7H7M7Q7W7m7saBaEapaqauawbhfPgSguhKjhk8mEn7nVpDpFpVpnpqprqjqz.D7

hi iuse your file but password still on,can you helpme again

thanks

[hoaca388]

hi guys am having problems unlocking this model
hp 640 g9
ive unlocking myself using hex editor looking for this string NvramActiveRegn and invalidating it filling FF´S ,i was able to unlock other models but this one not,i upload my original ec dump and the second one is the file i modify myself
any help will be appreciated
i also uploading my main dump
serial number
5CD3478MW2

Try , from G9 onwards, unlocking via EC is not possible


HP EliteBook 640 14 inch G9 Notebook PC
CTNumber_6MBME0NWYIMII4
Serial_5CD3478MW2
Sku_72Z70UC#ABM
Build Id_22WWRTDZ602#SABM#DABM
Fearture byte_476J6S6b7B7H7M7Q7W7m7saBaEapaqauawbhfPgSguhKjhk8mEn7nVpDpFpVpnpqprqjqz.D7

[retrooo]

hi guys am having problems unlocking this model
hp 640 g9
ive unlocking myself using hex editor looking for this string NvramActiveRegn and invalidating it filling FF´S ,i was able to unlock other models but this one not,i upload my original ec dump and the second one is the file i modify myself
any help will be appreciated
i also uploading my main dump
serial number
5CD3478MW2

[krogs214]

HP EliteBook 640 14 inch G9 Notebook PC
CT Number_6MBME0KWYI2TEH
Serial_5CD3221J7R
Sku_7P955PC#UUF
Build Id_22WWRTDZ601#SUUF#DUUF
Fearture byte_476J6S6b7B7H7M7Q7W7m7saEapaqauawbhcAfPguhKhkjhk8mEn7nVpDpFpTpnpqprqjqz.Hy

it works
thank you so much bro