Dell E5530 bios chip issue

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  • mikkele86
    Senior Member
    • Apr 2017
    • 78
    • Danmark
    #1

    Dell E5530 bios chip issue

    Hello.

    I have a few Dell E5530 laptops and the bios is locked with a admin password.
    So I decided to re-program the bios chip, U52 and U53.

    At first, it looks like it worked, but every time I entered bios and saved my settings followed by a restart, it did'nt want boot properly. it's stuck at black screen, but LED is ON and CPU is running.

    By further investigations I discovered, I had to CLEAR CMOS after every reset before it would boot normally again, all settings lost ofc.

    I have 1 possible solution I want to try, boot into windows and reflash bios with a new one but that's going to complicated if I have to clear CMOS every time....

    Does anyone have knowledge what is causing this issue ?

    Dell E5530
    Motherboard info:
    Hannstar QXW10 LA-7902P
    Rev: 1.0 (A00)
    2012-03-05
    bios chip : Winbond W25Q64FV & W25Q32BV
    Tags: None
    • digitalpc
      Badcaps Veteran
      • Jun 2016
      • 305
      • .DLL
      #2
      Re: Dell E5530 bios chip issue

      This problem happend before Dell Bios Logo or after

        Comment

        • mikkele86
          Senior Member
          • Apr 2017
          • 78
          • Danmark
          #3
          Re: Dell E5530 bios chip issue

          before.
          I push start button, lights gets ON and nothing, black screen.

            Comment

            • mikkele86
              Senior Member
              • Apr 2017
              • 78
              • Danmark
              #4
              Re: Dell E5530 bios chip issue

              solved it.

              I was using my TV with HDMI as and Dell E5530 does not use HDMI output in older bios's.
              Pluggin in the native LCD, i got image on screen.

                Comment

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