ThinkBook 15 G2 ARE bios please!

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  • tracker1
    Senior Member
    • Jul 2017
    • 113
    • romania

    #1

    ThinkBook 15 G2 ARE bios please!

    Hi all!
    Can someone help to fix bios for this laptop?

    Mb: FLV3B LA-K062P
    REV: 1.0
    Original dump attached.
    Attached Files
  • hoaca388
    Badcaps
    • Jan 2022
    • 11736
    • Socialist Republic of Vietnam

    #2
    Re: ThinkBook 15 G2 ARE bios please!

    Originally posted by tracker1
    hi all!
    Can someone help to fix bios for this laptop?

    Mb: Flv3b la-k062p
    rev: 1.0
    original dump attached.
    Attached Files


    ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
    Mọi khoản quyên góp cho badcaps đều được hoan nghênh, hãy nhấp vào liên kết này để quyên góp. Cảm ơn tất cả những người ủng hộ----------------------------------------------------------------------------------------------------------------------------------------------------------------

    Comment

    • tracker1
      Senior Member
      • Jul 2017
      • 113
      • romania

      #3
      Re: ThinkBook 15 G2 ARE bios please!

      Thank you, but same problem, laptop powers on but no picture.

      Comment

      • hoaca388
        Badcaps
        • Jan 2022
        • 11736
        • Socialist Republic of Vietnam

        #4
        Re: ThinkBook 15 G2 ARE bios please!

        This bios is extracted from .exe file downloaded from Lenovo homepage, maybe your problem is not related to bios.


        ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
        Mọi khoản quyên góp cho badcaps đều được hoan nghênh, hãy nhấp vào liên kết này để quyên góp. Cảm ơn tất cả những người ủng hộ----------------------------------------------------------------------------------------------------------------------------------------------------------------

        Comment

        • sebulica
          Beginner
          • Mar 2014
          • 50
          • Romania

          #5
          Lenovo ThinkBook 15 G2 ARE no image after bios update

          Hi,

          As the title implies,i have a Lenovo ThinkBook 15 G2 ARE with no display after a bios update made by windows trough optional updates.The laptop charges the battery,recognizes the charger (hopefully),starts up but has no image on screen.I have tried rewriting the bios with a few dumps i have found on the forum and outside of it but nothing changes.

          So,when i press the power button,the power led,FnLock,CapsLock and NumLock led lights up for 2 seconds then the CapsLock and NumLock turn off and just the Power and FnLock remain on....and nothing happens after that.If i let the laptop stay on for a while,the fan starts spinning as the processor heats up.
          I have the 5v 3v3 and other power supplies on for cpu,ram,EC etc.

          I suppose it's bios related issue or EC firmware corrupted.I can assume the EC did not update but the bios did and now they are "incompatible".So if there is anyone with an older version of bios to try it i would be glad if someon shared it ....or any suggestion would be great.

          I will attach the current bios on the flash,maybe someone can help me out...

          Cheers.
          Attached Files

          Comment

          • SiO2
            Member
            • Apr 2022
            • 24
            • Germany

            #6
            Re: ThinkBook 15 G2 ARE bios please!

            Hi, I have a ThinkBook 14 G2 with exactly the same behavior. Already tried to flash a few different BIOS images but no change.

            Did you manage to fix it in the mean time?

            Cheers

            P.S.: Attached the BIOS and the EC(?) dumps
            Attached Files
            Last edited by SiO2; 08-10-2023, 10:17 AM.

            Comment

            • SiO2
              Member
              • Apr 2022
              • 24
              • Germany

              #7
              Re: ThinkBook 15 G2 ARE bios please!

              Update: The smaller firmware was for the PD controller. After flashing the EC with a fresh version extracted from the Lenovo Update file... nothing changed.

              Comment

              • jozlar
                Senior Member
                • Mar 2022
                • 59
                • tbilisi

                #8
                Please remove the built-in ram, if I do it with the spd removal tool, it doesn't come out at all, maybe you can help me ThinkBook 15 G3 la-k062p please help me.
                Last edited by Vesko356; 02-28-2024, 04:32 AM. Reason: Attached bios removed.

                Comment

              • Laboratorio JG
                Member
                • Apr 2025
                • 20
                • Colombia

                #9
                Can you help me disable the VRAM on this Lenovo? I tried to find a schematic and boardview to disable it by moving the OBRAM_ID resistors, but without those files it's difficult. So, I want to know if you can help me disable the VRAM through the BIOS. Thank you very much in advance. By the way, the BIOS I uploaded is in good condition. It provides video, recognizes SDDs, and logs into Windows normally. The problem with the machine itself is that it displays colored lines when rendering.
                Model: THINKBOOK 15 G3 ACL
                Mfg Date: 2022/01/14
                S/N: MP26JF6Z
                MTM: 21A4007NLM
                MO: MPNXB212400L
                Board Model: GLV3B LA-K062P
                REV: 3.0
                2021-01-11​
                Attached Files

                Comment

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