Hello, please help to unlock bios password for HP Probook 455 G7, atached 2 roms for two flash chips.
S/N: 5CD0442ZFN
ProdID: 255V2ES#AKD
Motheboard model: X9M

Thanks...

Hello all, Really sorry if I have posted in the wrong place, the reason I am posting on this thread is that its the same motherboard model number.
I think 455 g9 and 445 g9 have the same bios.

Can someone please help to remove the password, I am lost with this one.
HP ProBook 445 G9
S:N, 5CD240DX56
Motherboard, DAX9SFMB8A0 REV A

Thanks so much.​...

Hello,
can anybody help me finding board schematic and diagram for this HP laptop?

Thank you

hello erveryone
happy to join the community
I would like help to finding the following information from my laptop hp probook 455 g4 :
feature byte
build id
SKU number
system board ct number

thanks in advance...

Hi I'm looking for working bios for HP ProBook 455 g8, motherboard da0x9qmb8d0

pleas help manufacturing mode
HP PROBOOK 445 G8
HSN-Q31C da0x9qmb8d0 revD
prodID 3C3K6ES#UUW
SN # 5CD1297W9Z...

hello can anybody remove this bios password please help...

hi there , have this laptop for ages as it has a bios password , tried to find a dump file for it but no luck , DAX93AMB6G0 REV G , MODEL X93A ,TPT MV-0 20 E88441 94V-0 , anyone has this dump file?

Full name : HP ProBook 455 G4 S/N : 5CD6502SZY
Product ID : Y8A72EA#ABU
Motherboard model : DAX93AMB6G0 REV G
CT : PGDNC038J4507W
Build ID : 16WWPIAT601#SABU#DABU
FEATUREBYTE : 3Q3X476J6S6Z6b7J7M7Q7W7saBapaqauawbhdUdpdq.R7...

HP ProBook 455 G7 Notebook PC (2Y1L2EC)
SN: 5CD0528GD5
MB Model: X9M
DA0X9MMB8F0 Rev.F​​...

Hello,
Can anyone help? My issue is that the laptop powers on but doesn't show a picture.
Model: HP ProBook 455 G7
SN: 5CD0528GD5
MB Model: X9M
DA0X9MMB8F0 Rev.F​​...

your's is U78

and this is your DMI

Serial Number: 5CD2315F08
Product #/SKU: 4S0R3AV
CT Number: PPQNF048JGY00W
Description: HP ProBook 455 15.6 inch G9
BuildID: 22WWTPBT602#SABU#DABU
Feature Byte: 476J6S6b7B7J7M7Q7W7saBapaqauawbhcAdpdqfPguk8mEn7nWpFpqqjqz.qf
MAC Address : 5C:60:BA:B8:62:3C...

I noticed there's a lot of unlock request for this model HP ProBook 455 G9
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 Flash Both.
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 HP ProBook 455 G9- yes

This is the both BID U78 and U88 its all you need.
This bios main is from official website then added VSSTORE and patched...

Hi everybody,

I have to remove bios password on some ProBook 455.
Can anyone help me to remove it from attached bin?

Serial Number: 5CD2315F08
CT Number: ppqnf048jgy00w
Product name: HP ProBook 455 15.6 inch G9...

HP PROBOOK 455 G10
PASSWORD REMOVAL NEEDED.
SERIAL NUMBER 5CD33326RZ
EC CHIP 25B256EYIG
SPI ROM 25Q256JVEN

Files are attached. Many thanks to whoever does it....