Vostro 3401 strange problem charge

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  • teccyber-lab
    Member
    • Apr 2025
    • 27
    • BRAZIL

    #41
    without solder blob, now has a reading of 13.5k

    Comment

    • mon2
      Badcaps Legend
      • Dec 2019
      • 14727
      • Canada

      #42
      So everyone on this rail is a suspect because of the low resistance. The first suspect is the PCH / CPU which consumes the same power rail for the IO pins.

      Measure the resistance from the solder blob with the low resistance to the PCH power rail with the same power rail name.

      See attached. Everyone in the highlighted area is a suspect. Start with the LAN power rail. Is it shorted? Continue from there. Perhaps a power hit from the Ethernet port took out this rail.

      Click image for larger version  Name:	suspects.png Views:	0 Size:	88.2 KB ID:	3694130

      Comment

      • teccyber-lab
        Member
        • Apr 2025
        • 27
        • BRAZIL

        #43
        good day, from the yellow list I'm only missing two components that I can't locate on the PCB, they are PU1001 and UV2, I did all the rest this work
        Attached Files

        if you find these attachements useful please consider making a small donation to the site

        Comment

        • teccyber-lab
          Member
          • Apr 2025
          • 27
          • BRAZIL

          #44
          Based on the readings of all these components on your yellow page, would you say the processor is broken?

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          • purwanto axtp
            Member
            • May 2024
            • 26
            • Indonesia

            #45
            please help me, friend, i backupped the bios file but the backup file became 2 files, one of them has a statusregval description. is the bios file okay or not? like the picture below, friend, thank you for all your help
            Attached Files

            if you find these attachements useful please consider making a small donation to the site

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            • mon2
              Badcaps Legend
              • Dec 2019
              • 14727
              • Canada

              #46
              Lol. My brother just returned from Jakarta. Loved the pizza there.

              You have posted your request in the wrong forum. Post inside the dedicated bios forum and one of the experts will help you there. See above.

              Comment

              • purwanto axtp
                Member
                • May 2024
                • 26
                • Indonesia

                #47
                Originally posted by mon2
                Lol. My brother just returned from Jakarta. Loved the pizza there.

                You have posted your request in the wrong forum. Post inside the dedicated bios forum and one of the experts will help you there. See above.
                Sory master.. thanks for the guidance

                Comment

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