Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

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  • alpersen
    Senior Member
    • Mar 2018
    • 53
    • turkey

    #1

    Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

    Hello,

    3 weeks ago when I launched MEMU (android emulator for windows) it complained about virtualization is disabled and gave me bluescreen. I turned off the device and booted to bios from windows advanced startup. I changed a couple and settings and boom! black screen. Not the typical one, no backlight, windows doesnt start (no hdmi output etc), it just bricked. Didn't want to wait for lenovo so i gave it to a local shop. He said bios is corrupt and flashed a new one. After i got the device i found out that my second hdd is not detected. I thought it may be damaged and ordered new one ( This one )

    But it did not solve any problems. And i noticed wired network doesn't working, not detected.

    Today i discovered that there is a new bios update. Here are my bios photos and new bios screnshot:









    As you may see some bios info is missing, product name, serial number etc.

    Should I install new bios? Would it brick it again? Do you advise me to use bios modification tutorial in this thread -> https://www.badcaps.net/forum/showthread.php?t=98038 and flash it?

    If you want mainboard pictures i may take photos and submit

    thank you

    Main board FG541/FG741 NM-C361
    Rev: 1.0
    2019-03-04
    Attached Files
  • piernov
    Super Moderator
    • Jan 2016
    • 4435
    • France

    #2
    Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

    You need the original BIOS of the machine. You have to ask the repair shop to fix the BIOS properly or at the very least to provide the backup. Hopefully they didn't erase it…
    OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

    Comment

    • alpersen
      Senior Member
      • Mar 2018
      • 53
      • turkey

      #3
      Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

      Originally posted by piernov
      You need the original BIOS of the machine. You have to ask the repair shop to fix the BIOS properly or at the very least to provide the backup. Hopefully they didn't erase it…
      unfortunately there is no reply from him. lets say i dont want to transfer old serial vs info. Should or can I flash new version bios to this machine?

      Thanks

      Comment

      • hoaca388
        Badcaps
        • Jan 2022
        • 11700
        • Socialist Republic of Vietnam

        #4
        Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

        Originally posted by alpersen
        unfortunately there is no reply from him. lets say i dont want to transfer old serial vs info. Should or can I flash new version bios to this machine?

        Thanks
        Flash the new bios, you will also be missing the same DMI information as the old one.

        Below the video there is a download link

        https://www.youtube.com/watch?v=AKnUOH9OCjA
        Last edited by hoaca388; 03-31-2022, 07:46 PM.


        ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
        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

        • kicab
          Member
          • Aug 2020
          • 10
          • Poland

          #5
          Lenovo L340-15irh bios/ec

          Hello! I have a Lenovo l340-15irh laptop (fg541 / fg741 nm-c362 rev: 1.0), replaced the power jack. It turned out that there is a short circuit on the LDO3 line. I replaced the damaged it8586e with a clean one. I did bios backups. I turned on my laptop, the it8586e chip was overwritten. Power button flashes 6/7 times, loop, flashes again 6/7 times and turns off. When turned on, Power lights up briefly and then goes off. I think there is a problem with the bios and the EC. I tried other bios and ec but same symptoms.

          Could someone clean the ME region and make the ec file from the original bios?

          thx
          Attached Files

          Comment

          • hoaca388
            Badcaps
            • Jan 2022
            • 11700
            • Socialist Republic of Vietnam

            #6
            Re: Lenovo L340-15irh bios/ec

            Originally posted by kicab
            Hello! I have a Lenovo l340-15irh laptop (fg541 / fg741 nm-c362 rev: 1.0), replaced the power jack. It turned out that there is a short circuit on the LDO3 line. I replaced the damaged it8586e with a clean one. I did bios backups. I turned on my laptop, the it8586e chip was overwritten. Power button flashes 6/7 times, loop, flashes again 6/7 times and turns off. When turned on, Power lights up briefly and then goes off. I think there is a problem with the bios and the EC. I tried other bios and ec but same symptoms.

            Could someone clean the ME region and make the ec file from the original bios?

            thx
            Lenovo l340-15irh
            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

            • kicab
              Member
              • Aug 2020
              • 10
              • Poland

              #7
              Re: Lenovo L340-15irh bios/ec

              doesn't work
              Attached Files

              Comment

              • hoaca388
                Badcaps
                • Jan 2022
                • 11700
                • Socialist Republic of Vietnam

                #8
                Re: Lenovo L340-15irh bios/ec

                Originally posted by kicab
                doesn't work
                ???????????
                Update your ME analyzer
                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

                • dariusgc
                  Member
                  • May 2020
                  • 35
                  • Lithuania

                  #9
                  Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

                  Hello,

                  i have a problem with this laptop bios too. I reflashed with clean BIOS, it worked but without DMI data . Can someone help me to solve that problem?

                  Here is my bios dump:
                  Attached Files

                  Comment

                  • hardware1
                    Badcaps Legend
                    • Sep 2021
                    • 2930
                    • N/A

                    #10
                    Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

                    Originally posted by dariusgc
                    Hello,

                    i have a problem with this laptop bios too. I reflashed with clean BIOS, it worked but without DMI data . Can someone help me to solve that problem?

                    Here is my bios dump:
                    Write your device serial number and full model number.
                    ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
                    Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests
                    all donations are welcome,
                    see the donate button at the bottom of the page, or
                    >>>>>
                    click on this link to donate via PayPal. <<<<<
                    Every donation made will go towards server fees and maintenance costs.
                    ----------------------------------------------------------------------------------------------------------------------------------------------------------------------

                    Comment

                    • dariusgc
                      Member
                      • May 2020
                      • 35
                      • Lithuania

                      #11
                      Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

                      Originally posted by hardware1
                      Write your device serial number and full model number.
                      Serial Number: PF1DZ391
                      Model Number: L340-15IRH

                      Comment

                      • lapfix
                        Badcaps Legend
                        • Mar 2020
                        • 2719
                        • my workshop

                        #12
                        Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

                        Originally posted by dariusgc
                        Serial Number: PF1DZ391
                        Model Number: L340-15IRH
                        Try

                        DMI : 632000 - 633000
                        Attached Files

                        Comment

                        • dariusgc
                          Member
                          • May 2020
                          • 35
                          • Lithuania

                          #13
                          Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

                          Big thanks, lapfix . It works, and DMI is exactly there , where you wrote.

                          Comment

                          • pkk8929kk
                            Member
                            • Jan 2023
                            • 18
                            • India

                            #14
                            Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

                            Originally posted by lapfix
                            Try

                            DMI : 632000 - 633000
                            hi mine DMI info is also missing..tried tools but it says SMBIOS error..Can you make bin file with dmi..

                            Comment

                            • pkk8929kk
                              Member
                              • Jan 2023
                              • 18
                              • India

                              #15
                              Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

                              bios and IME firmware link
                              https://pcsupport.lenovo.com/us/en/p...me=BIOS%2FUEFI
                              my laptop is l340 ideapad 15irh
                              serial no- PF29WTDA
                              MACHINE TYPE MODEL -81LK00J2IN
                              PRODUCT NAME - IdeaPad L340-15IRH Gaming

                              Comment

                              • peste
                                Super Moderator
                                • Dec 2016
                                • 12734
                                • ROMANIA

                                #16
                                Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

                                Originally posted by pkk8929kk
                                bios and IME firmware link
                                https://pcsupport.lenovo.com/us/en/p...me=BIOS%2FUEFI
                                my laptop is l340 ideapad 15irh
                                serial no- PF29WTDA
                                MACHINE TYPE MODEL -81LK00J2IN
                                PRODUCT NAME - IdeaPad L340-15IRH Gaming
                                post the original bios of the laptop .. where do you think I got the information???
                                Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

                                >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

                                Every donation made will go towards server fees and maintenance costs.

                                Comment

                                • pkk8929kk
                                  Member
                                  • Jan 2023
                                  • 18
                                  • India

                                  #17
                                  Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

                                  this is the original bricked bios..
                                  will you also restore the win10 key with it
                                  Last edited by piernov; 01-07-2023, 08:59 AM.

                                  Comment

                                  • peste
                                    Super Moderator
                                    • Dec 2016
                                    • 12734
                                    • ROMANIA

                                    #18
                                    Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

                                    Originally posted by pkk8929kk
                                    https://drive.google.com/file/d/13te...ZY7YsvirB/view
                                    this is the original bricked bios..
                                    will you also restore the win10 key with it
                                    next time post the bios here, not on another site, try this..
                                    Attached Files
                                    Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

                                    >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

                                    Every donation made will go towards server fees and maintenance costs.

                                    Comment

                                    • pkk8929kk
                                      Member
                                      • Jan 2023
                                      • 18
                                      • India

                                      #19
                                      Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

                                      thank you bro..it now shows DMI information..how you did it?
                                      And now please delete the BIOS that you posted

                                      Comment

                                      • russelldregz
                                        Member
                                        • Jun 2018
                                        • 16
                                        • philippines

                                        #20
                                        Re: Lenovo L340-15IRH Type 81LK Gaming/IdeaPad BIOS Problem

                                        Hello everyone,good day. My laptop has no display issue. After flashing bios that i download from vinafix. It shows INVALID info in Product name, SN and MTM.



                                        Can someone help me fix this?

                                        Product Name: IdeaPad L340-Gaming
                                        SN: PF1Y8W7N
                                        MTM: 81LK00W4PH

                                        I attached my original backup firmware for reference.

                                        Thank you.
                                        Attached Files

                                        Comment

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