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dell latitude 5320 no power

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  • steanta
    New Member
    • Jun 2019
    • 4
    • romania
    #1

    dell latitude 5320 no power

    can someone help me with a dell latitude 5320 problem, it doesn't start all the time and doesn't charge, and when it starts, the start-up light comes on for a few seconds and then stops i have 5v 3v and 1.8v on pr4401 i have 4.3v ,it only takes 5v from the charger, it does not switch to 20v
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    • mon2
      Badcaps Legend
      • Dec 2019
      • 15439
      • Canada
      #2
      Re: dell latitude 5320 no power

      You are consuming only 190 mA which is too low of a current draw.

      Any liquid spill?

      Remove all power. Meter in resistance mode. Measure the resistance to ground of each inductor on the board. Perhaps a shorted cap is causing an excessive current draw. Is the schematic available? Do not post it here but do link it in the schematic forum.

        Comment

        • steanta
          New Member
          • Jun 2019
          • 4
          • romania
          #3
          Re: dell latitude 5320 no power

          there are no traces of liquid, I don't have a short, from what I measured, from what I observed, apart from the bios chip, there is also a W25Q80DVSNIG chip, I don't know what it does

            Comment

            • mon2
              Badcaps Legend
              • Dec 2019
              • 15439
              • Canada
              #4
              Re: dell latitude 5320 no power

              The W25Q80DVSNIG flash may be used by the local EC IC which is often a 8051 style microcontroller and will fetch its firmware from a low density external memory device.

                Comment

                • alex26
                  Member
                  • Sep 2012
                  • 48
                  • ROMANIA
                  #5
                  Hello.I have exactly the same problem, MOCKINGBIRD-L CML UMA 8L (19746-1) motherboard and Dell Latitude 3510 laptop, the power light comes on for a second and then goes off, I have 5V and 3V. Laptop not power on.The battery is not charging but it may be dead. I have no strange values on the coils. I want to ask you if I need to have 1.8v alw for this motherboard model. I would like to start from here.

                  Schematic https://www.badcaps.net/forum/troubl...matics-request
                  Last edited by SMDFlea; 12-29-2025, 03:44 AM. Reason: link

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                      https://www.transfernow.net/dl/20250721QpvcJ0UG



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                      07-21-2025, 03:03 AM
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