HP EliteBook 640 G9 Bios password

[Patrik08]

hi can someone help me out here i am trying to remove the password
i have used hxd and compared other files here and i think its right but mpm dosent turn on
and the password is still there.
i try to boot in to f10 on first startup but the laptop restart a couple of times before i can enter bios
serial nr is 5CD331914N

[qayyum786]

hi can someone help me out here i am trying to remove the password
i have used hxd and compared other files here and i think its right but mpm dosent turn on
and the password is still there.
i try to boot in to f10 on first startup but the laptop restart a couple of times before i can enter bios
serial nr is 5CD331914N

compare again
At 1st boot press F10 and RESET BIOS to factory defaults use HP BCU TOOL to fill dmi

[Patrik08]

Its same as before
Mpm is not unlock and restarts a few times before i Can enter bios ,
bios Update is from 2 month ago could there be new Security in that one

[qayyum786]

Its same as before
Mpm is not unlock and restarts a few times before i Can enter bios ,
bios Update is from 2 month ago could there be new Security in that one

Try

[Patrik08]

its still the same it have to be the new update that mess it up, i have fixed these modells before whitout problem

[krogs214]

Hi please help unlock this bios and disable absolute
Hp Elitebook 640 g9
Sn# 5CD3221J7R
Board# da0x8smb8h2 rev h

[hoaca388]

Hi please help unlock this bios and disable absolute
Hp Elitebook 640 g9
Sn# 5CD3221J7R
Board# da0x8smb8h2 rev h

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

[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

[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

[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]

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

[santoslao]

Please help me disable Absolute!

Hp Elitebook 640 g9
Sn# BRJ3419WJB

[osman68i]

Please help me disable Absolute!

Hp Elitebook 640 g9
Sn# BRJ3419WJB

try

[santoslao]

try

It worked perfectly, thank you!!

[ismaelstepheno]

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

SN : 5CD3128QWS

[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]

thank you very much hoaca388 its working

[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

[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.

[peste]

post merged..

[supernova112]

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

Serial_5CD341CM39
Product_ID 67W58AV

Thank you in advance!