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Old 02-25-2022, 10:30 AM   #1
Haker5
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Default ThinkBook 15 G2 ITL bios password

please remove bios password or give solution how to remove
2 eeprom is reading on archive
Attached Files
File Type: rar bios with pass.rar (8.33 MB, 56 views)
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Old 04-12-2022, 07:59 AM   #2
astaldo
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Default Re: ThinkBook 15 G2 ITL bios password

Weired, I created a new thread with the same title as this one and it kinda joined them. I'll recreate another

Last edited by astaldo; 04-12-2022 at 08:02 AM..
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Old 04-12-2022, 08:03 AM   #3
astaldo
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Default ThinkBook 15 G2 ITL bios password help needed

Hi everyone!
I need your help with resetting a bios password for this laptop.
(BTW I had to recreated this thread as it was joined with another with same title)

I already tried some stuff but I cannot get any further now.
Laptop Model is a Lenovo ThinkBook 15 G2 ITL
Interesting ICs on mainboard:
Winbond 25Q80DVWIG 2134
24256e S15038

Details:
I started trying the stupid things first as I didn't tried reseting a password since several years (took CMOS and battery battery off and such)

I learned quickly that the new laptops store security things in an extra IC.
From the official firmware flash I saved the temporary extracted files from the manufacturer (Insyde, H2OFFT) and modded the platform.ini and also reflashed the bios but the password is still there.

Did a backup of the bios with UDOO so I could learn a little more with UEFITool about the bios and NVRAM.
As this didnt brought me any further I got myself a cheap EEPROM programmer(CH341A Pro) and tried to read/write directly from the ICs. That worked but even after erasing/rewriting the password was still there.

Any help appreciated.
I can upload backups and content of the ICs as needed
Attached Images
File Type: jpg Model.jpg (290.3 KB, 27 views)
File Type: jpg Mainboard.JPG (1.02 MB, 35 views)
File Type: jpg Bios.jpg (530.8 KB, 35 views)
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Old 04-12-2022, 08:22 AM   #4
hoaca388
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Default Re: ThinkBook 15 G2 ITL bios password help needed

Winbond 25Q80DVSIG 2134 is not a bios chip. Its size is only 1MB. you need to find chip with symbol 64 , 128 or 256... for example 25Q64... 25Q128...25Q256..
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Old 04-12-2022, 11:01 AM   #5
SMDFlea
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Default Re: ThinkBook 15 G2 ITL bios password

Quote:
Originally Posted by astaldo View Post
Weired, I created a new thread with the same title as this one and it kinda joined them. I'll recreate another
Your thread was merged with another one. And merged with the same thread again
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Old 04-12-2022, 11:09 AM   #6
SMDFlea
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Default Re: ThinkBook 15 G2 ITL bios password help needed

Quote:
Originally Posted by astaldo View Post
I can upload backups and content of the ICs as needed
Yes post your backups .
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Old 10-01-2022, 03:31 AM   #7
shiriffsm
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Default Lenovo ThinkBook 15 G2 ITL BIOS PASSWORD

Hello everyone please i need help to unlock bios password for
LENOVO ThinkBook 15 G2 ITL .it's 11th generation
MAINBOARD : FLV35 LA-K052P REV:1.0
This is my backup dump 16MB + 8MB
Attached Files
File Type: zip ORIGINAL.zip (8.38 MB, 52 views)
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Old 10-02-2022, 03:05 AM   #8
shiriffsm
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Default Re: Lenovo ThinkBook 15 G2 ITL BIOS PASSWORD

Any help ????
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Old 10-03-2022, 02:08 PM   #9
hardware1
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Default Re: Lenovo ThinkBook 15 G2 ITL BIOS PASSWORD

I don't know if this model keep the password in the bios chip or in the EC (SIO Chip).
anyway i think your backup files are corrupted, because the hex is no good. try to backup again.
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Old 01-17-2023, 10:45 AM   #10
Salaf
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Default Re: ThinkBook 15 G2 ITL bios password help needed

Was this fixed? Please share your report.

Thanks
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Old 01-23-2023, 02:36 PM   #11
andrew25
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Default Re: ThinkBook 15 G2 ITL bios password

i have same issue, if solved please share your solutions please
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Old 01-29-2023, 07:28 AM   #12
bojc
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Default Re: ThinkBook 15 G2 ITL bios password

can anyone unlock mine?

ThinkBook 15 G2 ITL
FLV35 LA-K052P REV:1.0
Attached Files
File Type: rar 15_G2_ITL_LOCKED.rar (6.95 MB, 10 views)
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