Here use this its the new BID U86.

[B]HP EliteBook 640 14 inch G9 U86[/B]
The patch won't work if the bios version is latest. use this bin flash both it won't work if you only flash the main you should[SIZE=18px][COLOR=#c0392b] [B]Flash Both[/B][/COLOR][/SIZE].
first boot press f10 apply factory defaults and restart, 2nd boot reset security settings to defaults and exit.
use BCU and put your original DMI.​Here use this its the new BID U86.

[B]HP EliteBook 640 14 inch G9 U86[/B]
The patch won't work if the bios version is latest. use this bin flash...

i'm sorry it didn't work coz i haven't noticed its a two bios version for this model. its U75 and U86.
the post number [B][SIZE=18px][COLOR=#3498db]# 355[/COLOR][/SIZE][/B] is [B][COLOR=#e74c3c]U86[/COLOR][/B]
this is the new one for U75
[B]HP EliteBook 640 14 inch G9 [COLOR=#e74c3c]U75[/COLOR][/B]
The patch won't work if the bios version is latest. use this bin flash both it won't work if you only flash the main you should [B]Flash Both[/B].
first boot press f10 apply factory defaults and restart, 2nd boot reset security settings to defaults and exit.
use BCU...

thử
1. Serial Number BRJ33491BM
2. Sku Number 8U337LC#AK4
3. Product Family 103C_5336AN HP EliteBook
4. System Byte CT PQUFL0AXGIFKA7
5. Product Name HP EliteBook 640 14 inch G9 Notebook PC
6. Build ID 22WWRTDZ601#SAK4#DAK4
7. Feature Byte 476J6S6b7B7H7M7Q7W7maBaEapaqauawbhcAcyfPguhKhkjhk8mEn7nVpDpVpnpqprqjqz.55​...

Product Name Hp Elitebook 640 14 inch g9 Notebook Pc
Serial Number BRJ33491BM
SKU Number 8U337LC#AK4
Motherboard DA0X8SMB8H2

HP EliteBook 640 14 inch G9 Notebook PC (6K6S3UC)
Serial : 5CD3295[SIZE=22px][COLOR=#e74c3c][B]S[/B][/COLOR][/SIZE]W4HP EliteBook 640 14 inch G9 Notebook PC (6K6S3UC)
Serial : 5CD3295[SIZE=22px][COLOR=#e74c3c][B]S[/B][/COLOR][/SIZE]W4HP EliteBook 640 14 inch G9 Notebook PC (6K6S3UC)
Serial : 5CD3295[SIZE=22px][COLOR=#e74c3c][B]S[/B][/COLOR][/SIZE]W4...

HP EliteBook 640 14 inch G9 Notebook PC
CT Number_6MBNT0FTZI35RW
Serial_5CD32475SW
Sku_7P955PC#ABM
Build Id_22WWRTDZ601#SABM#DABM
Fearture byte_476J6S6b7B7H7M7Q7W7m7saEapaqauawbhcAfPguhKhkjhk8mEn7nVpDpFpTpnpqprqjqz.Hy
MAC : B4 9D B4 D6 7D 89...

I noticed there's a lot of unlock request for this model [B]HP EliteBook 640 14 inch G9[/B]
The patch won't work if the bios version is latest. use this bin flash both it won't work if you only flash the main you should [SIZE=16px][B][COLOR=#c0392b]Flash Both[/COLOR][/B][/SIZE].
first boot press f10 apply factory defaults and restart, 2nd boot reset security settings to defaults and exit.
use BCU and put your original DMI.
frequently asked questions:
can i use this to my [B]HP EliteBook 640 14 inch G9 - [COLOR=#2ecc71]Yes[/COLOR][/B]​I noticed there's a lot of unlock...

try
Serial Number: 5CD320BTKY
Product #/SKU : 7P955PC#UUF
CT Number: PPUZH098JI21VY
Description: HP EliteBook 640 14 inch G9
BuildID: 22WWRTDZ601#SUUF#DUUF
Feature Byte: 476J6S6b7B7H7M7Q7W7m7saEapaqauawbhcAfPguhKhkjhk8mEn7nVpDpFpTpnpqprqjqz.Hy
MAC Address : AC:19:8E:0C:C8:F8​...

PLESE UNLOCK 640 g9 DAX8SFMB8B2 REV-B LOCK
****************************************
Serial Number: 5CD3411M74
Product #/SKU : 81M81AT#ACJ
CT Number: PQNNL088JIO2M8
Description: HP EliteBook 640 14 inch G9
BuildID: 22WWRTDZ602#SACJ#DACJ
Feature Byte: 476J6S6b7B7H7M7Q7W7m7saBaEapaqauawbhcAfPguhKhkjhk8mEmGn7nVnwpDpFpVpnpppqprqjqz.3N
MAC Address : D0:AD:08:19A:A8​...

HP EliteBook 640 14 inch G9 Notebook PC
CT Number_6MBNT0FBCIL1JV
Serial_5CD345BT9B
Sku_8C531LC#ABM
Build Id_22WWRTDZ602#SABM#DABM
Fearture byte_476J6S6b7B7H7M7Q7W7m7saBaEapaqauawbhcAfPgSguhKjhk8mEn7nVpDpFpTpnpqprqjqz.2D...

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

Try , [B]from G9 onwards, unlocking via EC is not possible[/B]


HP EliteBook 640 14 inch G9 Notebook PC
CTNumber_6MBME0NWYIMII4
Serial_5CD3478MW2
Sku_72Z70UC#ABM
Build Id_22WWRTDZ602#SABM#DABM
Fearture byte_476J6S6b7B7H7M7Q7W7m7saBaEapaqauawbhfPgSguhKjhk8mEn7nVpDpFpVpnpqprqjqz.D7Try , [B]from G9 onwards, unlocking via EC is not possible[/B]


HP EliteBook 640 14 inch G9 Notebook PC
CTNumber_6MBME0NWYIMII4
Serial_5CD3478MW2
Sku_72Z70UC#ABM
Build Id_22WWRTDZ602#SABM#DABM
Fearture byte_476J6S6b7B7H7M...

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...

HP EliteBook 640 14 inch G9
motherboard DAX8SFMB8B2 REV B
SN 5CD311172Z2
please disable absolute persistance​...

HP EliteBook 640 14 inch G9 Notebook PC
CTNumber_6MBME0IWYHOJ8T
Serial_5CD311KQ3S
Product_4D0Y5AV
BuildId_22WWRTDZ601#SABE#DABE
Fearture byte_476J6S6b7B7H7M7R7W7m7saBaEapaqauawbhcAfPguhKhkjhk8mEn7nVpDpFpVpnpqprqjqz.et...

HP EliteBook 640 14 inch G9
motherboard DAX8SFMB8B2 REVB
SN 5CD31172v3
please disable absolute persistance​...

HP EliteBook 640 14 inch G9 Notebook PC
CT Number_6MFDN0LWYHX8K9
Serial_5CD3204Z3T
Sku_853X7ES#ABZ
Build Id_22WWRTCD301#SABZ#DABZ
Fearture byte_3Y6E6J6S6a7H7M7Q7W7d7j7m7saEawbhcAfPgSguhKjhk8m6n7nVpDpVqjqz.3E...

HP EliteBook 640 14 inch G9 Notebook PC
CTNumber_6MFDR0AX3G6EHR
Serial_BRJ2423F12
Sku_76Q42LA#AK4
Build Id_22WWRTCT601#SAK4#DAK4
Fearture byte_476J6S6b7B7H7M7Q7W7maBaEapaqauawbhcAcydpdqfPguhKhkjhk8mEn7nVpDpTpqqjqz.qa...

please unlock my bios main thanks
Serial Number: 5CD3221HY8
Product #/SKU : 7P955PC#UUF
CT Number: PPUZH098JI43TI
Description: HP EliteBook 640 14 inch G9
BuildID: 22WWRTDZ601#SUUF#DUUF
Feature Byte: 476J6S6b7B7H7M7Q7W7m7saEapaqauawbhcAfPguhKhkjhk8mEn7nVpDpFpTpnpqprqjqz.Hy
MAC Address : AC:19:8E:AB:54:8C​...

Please Help, this bios is showing diffrent type of logo , want HP logo

HP EliteBook 640 14 inch G9 Notebook PC
Serial no - 5CD3342w4q
ProductID 7X898PC#ACJ
PCB NO :- DAX8SFMB8B2
Thanks in advance...

Please Help, unlock Bios.and aslo HP logo is not showing

HP EliteBook 640 14 inch G9 Notebook PC
Serial no - 5CD3342w4q
ProductID 7X898PC#ACJ​...

HP EliteBook 640 14 inch G9 Notebook PC
CT Number_6RGRL0BU1ICJVH
Serial_5CD337GHRJ
Product_4D0Z0AV
Fearture byte_476J6S6b7B7H7M7Q7W7m7saBaEapaqauawcAeMfPgSguhKjhk8mEmVn7nVpDpFpVpnpqprqjqz.dY
Build Id_22WWRTDZ602#SABE#DABE...

first boot press f10 apply factory defaults and restart, 2nd boot reset security settings to defaults and exit.
use BCU
here's your DMI:
Serial Number: 5CD247DBQM
Product #/SKU: 4D0Y9AV
CT Number: PPUZP058JHE04U
Description: HP EliteBook 640 14 inch G9
BuildID: 22WWRTCT601#SABF#DABF
Feature Byte: 476J6S6b7B7H7M7R7W7m7saBaEapaqauawbhcAdpdqfPgSguhKjhk8mEn7nVpDpVpqqjqz.Fg
MAC Address : 7C:57:58:6B:B3:98​...

first boot press f10 apply factory defaults and restart, 2nd boot reset security settings to defaults and exit.
use BCU
here's your DMI:
Serial Number: 5CD3045P11
Product #/SKU: 6A1P0EA#ABU
CT Number: PPUZL068JHM0G4
Description: HP EliteBook 640 14 inch G9
BuildID: 22WWRTDZ601#SABU#DABU
Feature Byte: 476J6S6b7B7H7M7Q7W7m7saBaEapaqauawbhcAfPguhKhkjhk8mEn7nVnwpDpTpnpqprqjqz.DM
MAC Address : A0:29:42:E4:4D:8C​...

This specification for the HP EliteBook 640 14 G9 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the 640 14 G9 boardview and 640 14 G9 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for HP...