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Sorry but the mistake was mine because I had damaged a pin on the motherboard
Everything is ok now, it works perfectly, thank you very much.
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Hi, please I would like to clean the Bios password!
sn:5cg1382pjnComment
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Hello
Please remove password
HP Elitebook 840 G8
SN 5CG2112ZLB
Thanks !!
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Hello,
I've been looking for a solution to reset the BIOS password
please help me remove BIOS password?
I would be very grateful for any help.
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Hi, i have dumps of my 840 G8 Aero, firmware.bin created befor HP bios upgrade.
Can anyone help me to remove the password?
Sn: 5CG1469H0W
Product number: 3G2K8Ea#ABZ
Bios: T76 01.13.01
Can you also tell me how to upload the cleaned bin file to the pc ?
ThanksComment
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NEED TO DELETE BIOS PASSWORD
HP EliteBook 840 G8 Notebook.
HAS 32MB MAIN SPI BIOS AND 32MB EC FILES
SN: 5CG146BJDK
ProdID 26D60AV
Besides the PC serial number and ProdID, what other data is needed to unlock the BIOS ?
My Bios T76 Ver 01.17.01.Comment
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Hello, can you help me disable the administrator and absolute passwords?
SN:5CG1365RCVComment
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do not touch the EC.
first boot press f10 apply factory defaults and restart, 2nd boot reset security settings to defaults and exit.
use BCU. you can permanently disable Absolute lock in BCU.
here's your DMI:
Serial Number: 5CG1365RCV
Product #/SKU: 35Y57LT#ABM
CT Number: PKPRU00WBFN1TS
Description: HP EliteBook 840 G8 Notebook
BuildID: 21WWCVCT601#SABM#DABM
Feature Byte: 3X476J6S6b7B7H7M7Q7W7m7saBaEapaqauawbUbhcAdUdpdqfAfPgSguhKjhk8mEmwnVng.fB
MAC Address : E0:70:EA:3D:80:93Comment
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Hello, I have this HP Elitebook 840 G8 with Admin Password
HP Elitebook 840 G8
ProdID : 6C681US#ABA
S/N: 5CG3263HG0
Warranty: 3y3y0y
Build id: 21WWCVFZ601#SASB#DABA
Please, help me remove it. Attached, see the bin. Thank you.Comment
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Any donations to badcaps are welcome, click this link to donate . Thanks to all the supporters
https://www.badcaps.net/donateComment
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First of all thanks to all of our members who have posted previously all methods posted here.
Please leave a comment if you find something new,or have anything else to add.
-----------------------------------------------------------------------------------------
Find by serial number,model number or series
If you know the laptop serial or model number go to HP support https://support.hp.com/us-en/drivers/laptops .
Enter the serial number or model number and click submit.On the next screen you will have to enter the OS
Operating system and OS version.If... -
Hey guys,
Hope you all are doing well. I come here from Win-Raid because I am having issues disabling Flash Protection Range Registers so I can flash my BIOS from within Windows using Intel's IFW tool/using flashrom within Linux, however I cannot due to the above mentioned error.
Here is my thread on Win-Raid detailing the whole process I went through: https://winraid.level1techs.com/t/re...h-gen/95478/27
Essentially I managed to boot into Windows while shorting PINs 1+5 of my audio chip to disable the HAP bit... -
Hi folks,
I got a Dell Optiplex 7010 micro PC (Exact Model) with 8FC8 BIOS and locked out admin password. I attempted to remove the password by patching the BIOS via info from this thread: https://www.badcaps.net/forum/troubl...ssword-patcher
After flashing the patched the BIOS, the PC is unresponsive with a solid AMBER power LED (not documented in manual anywhere)
Steps I took:- Read BIOS with CH341a, verified hash twice
- Patched
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Hi there,
I have a 14" Lenovo Laptop (Flex 5 14ALC05) which has a boot issue.
The little LED on the power button is flashing slowly and nothing happen.
This unit do not have any BIOS button cell battery so I tried many times draining the power but it is still not powering on.
So I decided to flash the BIOS using a cheap programmer.
And I was successfully able to read the content (exactly 16MB file) which BTW is a WINBOND 74m12jwsiq (according to the package inscription - but detected as W25Q128FW in the software - IMSProg on Linux)
I also... -
Hello,
I am trying to repair a Dahua NVR4216-4KS2 that is not booting.
The main BIOS/firmware is stored in an SPI flash EEPROM (Winbond 25Q128, labeled as U130 on the PCB).
I have a CH341A programmer and I already attempted the following steps:- Identified the correct chip (W25Q128, 3.3V SPI flash).
- Tried to read the contents with CH341A Programmer software. The dump seems corrupted and I often get the error: “Chip with the contents are in disagreement.”
- Compared several chip type selections (24Cxx and 25Qxx families) to confirm it is indeed a 25 series SPI
08-19-2025, 09:23 AM
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