HP BIOS unlock tool

**ctsemicon** · 11-23-2021, 07:40 AM

Re: HP BIOS unlock tool

Well, I tried both the RCUNLOCKER and HPUNLOCKER. They both acted as though they were successful; both created *_unlocked.bin, but neither one shows any change when doing a compare from original and _unlocked. This is a Zbook 17 G4. If you would, please look at this file that I extracted from BIOS chip and see what might be the issue? Most appreciated in advance, thank you

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hporiginal.zip (7.24 MB, 63 views)

**peste** · 11-23-2021, 07:56 AM

Re: HP BIOS unlock tool

Originally posted by ctsemicon

Well, I tried both the RCUNLOCKER and HPUNLOCKER. They both acted as though they were successful; both created *_unlocked.bin, but neither one shows any change when doing a compare from original and _unlocked. This is a Zbook 17 G4. If you would, please look at this file that I extracted from BIOS chip and see what might be the issue? Most appreciated in advance, thank you

it is not the right bios.. look for another bios chip also with 16MB, it can be on the other side of the motherboard ..

**ctsemicon** · 11-23-2021, 11:25 AM

Re: HP BIOS unlock tool

Right you are! Was under keyboard. Thank You very much!

**dani981** · 11-27-2021, 07:18 PM

Re: HP BIOS unlock tool

I tried HP Unlocker v1 not unlock password. I think the manual HXD Editor replace the copy clean UserCred section with the same length from another file. The password is back!
Please help unlock.
HP 840 g5 Computro-6050a2945601-mb-a01
Original bios file

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Computro-6050a2945601-mb-a01 pass.rar (9.28 MB, 17 views)

**peste** · 11-28-2021, 02:09 AM

Re: HP BIOS unlock tool

Originally posted by dani981

I tried HP Unlocker v1 not unlock password. I think the manual HXD Editor replace the copy clean UserCred section with the same length from another file. The password is back!
Please help unlock.
HP 840 g5 Computro-6050a2945601-mb-a01
Original bios file

try..

Attached Files

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Computro-6050a2945601-mb-a01 pass_unlocked.rar (9.28 MB, 14 views)

**dani981** · 11-28-2021, 04:18 AM

Re: HP BIOS unlock tool

Originally posted by peste

try..

Thank you Peste but not started, power on led blink.

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Computro-6050a2945601-mb-a01 16mb orig.rar (5.32 MB, 6 views)

**dani981** · 11-28-2021, 05:11 AM

Re: HP BIOS unlock tool

Originally posted by dani981

Thank you Peste but not started, power on led blink.

This code replace nv ram?

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**pirusvlad** · 11-29-2021, 09:28 AM

Re: HP BIOS unlock tool

here m8

Attached Files

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745g2_unlocked.rar (433.2 KB, 14 views)

**alecocr20** · 12-03-2021, 10:20 AM

Re: HP BIOS unlock tool

Hi,

This worked as expected. For information I was able to dump and write the bios using a teensy ++2.0 that I used in the ps3 days. What was needed:
Teensy ++ 2.0
Python 2.7.2
Pyserial 2.5
Teensy Loader
SPIway.py (from PS4 Devwiki git) this needs to be modified if the actual chip is not already there
SPIway.hex (also from PS4 Devwiki git)

Thanks again for this tool

**zdrawkocolic** · 12-05-2021, 04:20 PM

Re: HP BIOS unlock tool

Hi All...
I just try to unlock my BIOS (HP EliteBook 820 G1)...
After flashing I do not have an option to go to BIOS anymore. F10 does not take an effect, just windows booting...
Can anybody help me?

**zdrawkocolic** · 12-05-2021, 04:24 PM

Re: HP BIOS unlock tool

Here it is my .bin file

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Dump_Original.zip (9.07 MB, 13 views)

**RethoricalCheese** · 12-05-2021, 11:47 PM

Re: HP BIOS unlock tool

Use shift-restart in Windows.

**alexmonk63** · 12-09-2021, 06:25 AM

Re: HP BIOS unlock tool

Thanx

**Tjaytony** · 12-11-2021, 12:08 PM

Re: HP BIOS unlock tool

I'm sure if I read through this thread well, I'd be able to figure it out. But why don't the creator of this thread make a YouTube video of this procedure. That will redirect people to this website/forum

**sharkice** · 12-13-2021, 01:26 PM

Re: HP BIOS unlock tool

Hello, sorry for my English, I want to unlock the bios of my Elitebook 840 g1, it has a 25q128fv chip 3.3 volts, I use neprogrammer 2.2.0.10 with ch341a, it detects the bios, I read it, I use the HPUnlocker program, charge The new bios generated by the program, I record it on the elitebook g1 and it still appears to me that the bios has a password! ??? any ideas or can someone check that the file is unlocked fine? Thank you !!

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840g1.zip (7.54 MB, 10 views)

**sharkice** · 12-14-2021, 04:54 PM

Re: HP BIOS unlock tool

Originally posted by sharkice

Hello, sorry for my English, I want to unlock the bios of my Elitebook 840 g1, it has a 25q128fv chip 3.3 volts, I use neprogrammer 2.2.0.10 with ch341a, it detects the bios, I read it, I use the HPUnlocker program, charge The new bios generated by the program, I record it on the elitebook g1 and it still appears to me that the bios has a password! ??? any ideas or can someone check that the file is unlocked fine? Thank you !!

hpunlocker WORKS PERFECT !!!!

elitebook 840 g1 and g2, it needs power to be able to maintain the 3.3 volts, the form was the following with which it can correctly read the bios

With some programmers, you must do this:
* Remove the battery
* Connect the charger
* Turn on the laptop and go to F1, F10 or wherever you want
* Turn off the laptop by pressing and holding the power button (DO NOT REMOVE THE CHARGER)
* Connect the programmer
* Read the content bios chip
* Use the check function or read the content one more time and compare using hex editing software
* If everything is ok, use the HPUnlocker tool on the VERIFIED BIOS dump
* Write the file xxx_unlocked.bin
* Check BIOS content

You should always make sure to check everything you read / write, I cannot stress this enough.
And those first steps are a must with some programmers unless you unsolder the chip.

THANKS to the forum for the messages, with your help you can unlock the bios of these two elitebook g1 and g2 840 !! Cheers ! and good end of the year to all !!!

**Adi13089** · 12-17-2021, 02:26 PM

Re: HP BIOS unlock tool

Looking for help removing the BIOS password on a HP Probook 6360b

Attached Files

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MX25L3206E 6360.zip (2.40 MB, 12 views)

**peste** · 12-18-2021, 01:24 AM

Re: HP BIOS unlock tool

Originally posted by Adi13089

Looking for help removing the BIOS password on a HP Probook 6360b

read post # 1.

**Adi13089** · 12-18-2021, 02:32 PM

Re: HP BIOS unlock tool

Originally posted by peste

read post # 1.

Not working.
Nothink change in dump file.

**peste** · 12-19-2021, 02:11 AM

Re: HP BIOS unlock tool

Originally posted by Adi13089

Not working.
Nothink change in dump file.

try..

Attached Files

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MX25L3206E 6360b laholm_unlocked.rar (2.37 MB, 9 views)

HP BIOS unlock tool

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