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    lenovo AIO M90z 30min auto shutdown

    Good day all
    i have a lenovo m90z that shutsdown every 30min, i have tried flashing a clean bios but , there is no change ,Please any advice will be appreciated

    #2
    Re: lenovo AIO M90z 30min auto shutdown

    Originally posted by musanide View Post
    Good day all
    i have a lenovo m90z that shutsdown every 30min, i have tried flashing a clean bios but , there is no change ,Please any advice will be appreciated
    Its probably an management engine firmware issue,the firmware needs cleaning https://www.badcaps.net/forum/showpo...41&postcount=3
    All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

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      #3
      Re: lenovo AIO M90z 30min auto shutdown

      i tried cleaning today, it stopped shutting down after 30min, but the fan is still running at fullspeed, and if i shut the machine for 30mins, then it wont post, unless i reprogram the bios chip.....Thanks for your time

      Comment


        #4
        Re: lenovo AIO M90z 30min auto shutdown

        Originally posted by musanide View Post
        i tried cleaning today, it stopped shutting down after 30min, but the fan is still running at fullspeed, and if i shut the machine for 30mins, then it wont post, unless i reprogram the bios chip.....Thanks for your time

        pls send your original bios.

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          #5
          Re: lenovo AIO M90z 30min auto shutdown

          Originally posted by teknikbursa View Post
          pls send your original bios.
          thanks, i started having this problem since 2019, and i ended up loosing my original bin file.... but i downloaded the bin that i have uploaded,..... its the one that has fixed the 30min shutting down, but the fan is running at fool speed, and if i switch off the machine for some time then it wont boot on the screen........
          Attached Files

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            #6
            Re: lenovo AIO M90z 30min auto shutdown

            and the orignal serial number is S4YPF04, the one inn the bin belongs to the machine the bin was extracted from

            Comment


              #7
              Re: lenovo AIO M90z 30min auto shutdown

              Originally posted by musanide View Post
              and the orignal serial number is S4YPF04, the one inn the bin belongs to the machine the bin was extracted from
              Try this one.The ME FW is cleaned,plus your serial number added using a hex editor.


              You can also edit the serial and other info using wflash2.exe with command line options. To get wflash2.exe download the bios update and extract the exe using winrar or 7-zip ,and read the readme.txt file
              9BKT42A https://download.lenovo.com/ibmdl/pu.../9bjy42usa.exe
              Code:
              *****************************************************************************
              *             3. Flash Program Options             *
              *                                      *
              *   The default operation of the flash update program is to use the    *
              *   graphical user interface provided by the AFUWINGUI program. You can  *
              *   also run the program from a DOS command box (with Administrator    *
              *   privilege) by running "flash.cmd". Before running the "flash.cmd",  *
              *   please change the command line to the options you need. The command  *
              *   is:                                  *
              *                                      *
              *   wflash2.exe [option1] [option2] ... [optionX]             *
              *                                      *
              *   [OPTIONS]                               *
              *   /h        Show help messages.                 *
              *   /bb       Program boot block.                 *
              *   /ncb       Program all non-critical blocks           *
              *   /rsmb      Preserve all SMBIOS structures.           *
              *   /clr       Clear BIOS settings.                 *
              *   /ign       Ingore BIOS version check.              *
              *   /sn:nnnnnnn   Update system serial number (up to 20 characters).  *
              *   /csn:nnnnnnn   Update chassis serial number (up to 20 characters). *
              *   /mtm:nnnnnnn   Update machine type and model number (up to 20    *
              *           characters).                     *
              *   /tag:nnnnnnn   Update system asset tag (up to 25 characters).    *
              *   /uuid      The flash utility will generate an Universally    *
              *           Unique Identifier (UUID), replacing the one that   *
              *           is currently in the system.             *
              *   /logo:<filename> Change logo. The max supported size of logo file   *
              *           is displayed on the screen during the compressing.  *
              *   /cpu       Update CPU microcode.                *
              *   /reboot     Automatic reboot after all requests done.      *
              *   /pass:nnnnnnn  Input current system password.            *
              *                                      *
              *   The following example shows how to update system asset tag number   *
              *   to "1234567" use command line:                    *
              *    wflash2.exe /tag:1234567                      *
              *                                      *
              *   The following example shows how to update bios and update system   *
              *   asset tag number by one command:                   *
              *    wflash2.exe bios.rom /tag:1234567                  *
              *                                      *
              *   The following example shows how to change the power-on logo.     *
              *    wflash2.exe /logo:myfav.bmp                     *
              *                                      *
              *   Note: A flash update image using these program options should be   *
              *      tested carefully before widespread usage.            *
              *                                      *
              *****************************************************************************
              Attached Files
              Last edited by SMDFlea; 07-22-2022, 03:56 PM.
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