Lenovo T540p bios password

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • aLEXSTARLING
    Senior Member
    • Jul 2020
    • 58
    • Ukraine

    #1

    Lenovo T540p bios password

    Please help to unlock bios
    Attached Files
  • Markus1741
    Badcaps Veteran
    • Sep 2020
    • 848
    • N/A

    #2
    Re: Lenovo T540p bios password

    Originally posted by aLEXSTARLING
    Please help to unlock bios
    Try your orig. patched file ...

    Hello, a question does a Lenovo T540p not have two BIOS chips once SPI1 = 8MB and SPI2 = 4MB

    I think that you need the 4MB BIOS file to create a patch.

    I know it holds up from a Lenovo T440p
    Attached Files
    Last edited by Markus1741; 02-20-2023, 02:34 AM.

    Comment

    • SMDFlea
      Super Moderator
      • Jan 2018
      • 21117
      • UK

      #3
      Re: Lenovo T540p bios password

      Originally posted by aLEXSTARLING
      Please help to unlock bios
      what is the laptop serial number and the motherboard model number
      All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

      Comment

      Related Topics

      Collapse

      • RMDUiFT
        Should I buy a Lenovo Thinkpad E495 with bios password?
        by RMDUiFT
        Good day. I apologize if I posted this in the wrong topic. I saw somebody selling a Thinkpad E495 with a Ryzen 3500U CPU near me. In the pictures the laptop is running windows 10. I contacted the seller and asked a few questions about upgradability and if it has a bios password on it. He confirmed it has a bios password. I searched through the forum, I found a guide regarding removing the bios password using the autopatcher, I also found a thread with the e495 where people requested help with unlocking the bios password.

        I have a few questions:
        • If I would buy this laptop and have
        ...
        08-25-2024, 09:00 AM
      • zenius
        [REQUEST] Dell G3 3579 BIOS Password & AMI Protected Range/BIOS Guard Unlock
        by zenius
        Hello, I have an old Dell G3 3579 (ST: 2WQ7LP2-8FC8) with a newer 8FC8 BIOS password. I have successfully attached to the flash chip (W25Q128JVSQ) on the motherboard with a CH341A programmer and made several modifications using Intel FIT (e.g., allow software SPI write) without bricking. I was also able to boot to a modified GRUB shell where I attempted to edit many BIOS security related options like BIOS Guard/Lock, Flash Signature Override, ME FW Image Re-Flash, etc.

        Unfortunately, some of these modifications like to Intel BIOS Guard failed because it is fused into the PCH. Also,...
        12-08-2024, 06:13 AM
      • lucaszmn
        Summary of BIOS Whitelist Removal Problem Lenovo Thinkpad T560
        by lucaszmn


        Summary of BIOS Whitelist Removal Problem


        Problem:
        I am attempting to remove the WWAN card whitelist from my Lenovo ThinkPad T560.
        Initial Findings:
        • My current BIOS version is N1KET58W (1.45).
        • I have a CH341A programmer and have successfully created two full backups of my BIOS.
        • I have the ability to use command-line tools on a Linux machine.
        Troubleshooting Steps & Conclusions:
        • I attempted to use several automated and manual patching methods on my N1KET58W (1.45) BIOS, including using hex strings. These attempts all failed.
        • I concluded that the
        ...
        08-12-2025, 03:01 PM
      • baaligoga
        Help needed in unlocking BIOS Supervisor password - Lenovo X1 Yoga 5th Gen
        by baaligoga
        Good day, everyone!

        I'm encountering an issue with my Lenovo X1 Yoga 5th Gen laptop related to the BIOS supervisor password. I'm seeking assistance and guidance from the knowledgeable members of this community in resolving this problem.

        I am no expert and cannot perform soldering or unsoldering of the chip from the board. Therefore, I attempted to use an EZP 2023 programmer with a clip to extract the BIOS bin file without removing the BIOS chip from the motherboard. The BIOS chip has the following letters imprinted on it: "Winbond 25Q80DVNIG 2026". I used the...
        05-20-2023, 09:48 AM
      • darknwo
        Bios password Lenovo Legion 16IRX8H
        by darknwo
        Hi, can someone help me please with the removal of the bios password of this dump.
        Someone desoldered the bios chip, tried several "methods" but with no luck, and he gave me the dump to try to search some help.
        For now he deleted more things and bios password is gone but laptop doesn't show serial, model etc.

        Also, I updated bios to latest version, when he will write the dump again without password, it should be better to put back the old version that was orignally or doesn't matter? Because from what I've read this laptop has 3 bios chips, don't know if has...
        10-05-2024, 10:40 AM
      • Loading...
      • No more items.
      Working...