Dell E7450

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  • bigboots
    Member
    • Mar 2019
    • 43
    • uk

    #1

    Dell E7450

    Charging issue help needed please
    Dell E7450 charging issue. i have no short, no 3v from board from charger but ok when not plugged in. battery is good and tried 2 chargers. Any help?
    Attached Files
  • Stevedb
    Stevedb
    • Feb 2018
    • 624
    • Belgium

    #2
    Re: Dell E7450

    Do you use an original Dell charger. Because your adapter is not good recognized. Otherwise check AD pin on the charger connector.

    Good luck

    Best regards

    Steve

    Comment

    • bigboots
      Member
      • Mar 2019
      • 43
      • uk

      #3
      Re: Dell E7450

      Originally posted by Stevedb
      Do you use an original Dell charger. Because your adapter is not good recognized. Otherwise check AD pin on the charger connector.

      Good luck

      Best regards

      Steve







      hi thanks for the reply yeah it's original charger tried 2 both the same. if not plugged in i get the 3 v from charger on centre pin. As soon as i connect it to laptop i loose it. Only thing that is getting hot in thermal cam is the CD3301 ic.

      Comment

      • Sametbey
        Badcaps Veteran
        • Jan 2021
        • 229
        • Turkey

        #4
        Re: Dell E7450

        Check the DC adapter input. maybe IO chip is issue.
        Attached Files
        I'm not happy to be so strong. because it's not humanly

        Comment

        • mcplslg123
          Badcaps Legend
          • Jun 2015
          • 7262
          • india

          #5
          Re: Dell E7450

          CD3301 is getting hot- so you already have a clue.

          Comment

          • bigboots
            Member
            • Mar 2019
            • 43
            • uk

            #6
            Re: Dell E7450

            Originally posted by Sametbey
            Check the DC adapter input. maybe IO chip is issue.
            Yes i check all this and all is good. just awaiting for the cd ic to arrive.

            Comment

            • bigboots
              Member
              • Mar 2019
              • 43
              • uk

              #7
              Re: Dell E7450

              OK so changed the CD3301 ic now its not burning up so all good now. but still no charging. any more ideas much appreciated.

              Comment

              • mcplslg123
                Badcaps Legend
                • Jun 2015
                • 7262
                • india

                #8
                Re: Dell E7450

                After changing CD3301, is the adapter recognised correctly in bios??

                Comment

                • bigboots
                  Member
                  • Mar 2019
                  • 43
                  • uk

                  #9
                  Re: Dell E7450

                  Originally posted by mcplslg123
                  After changing CD3301, is the adapter recognised correctly in bios??
                  It knows its there just 1w not charging. going to put it in the ultrasonic bath encase it's a bad track as its has coke split on it i have cleaned it with IPA prior to starting. As there is some dull tracks around that place. but seem fine with meter.

                  Comment

                  • mcplslg123
                    Badcaps Legend
                    • Jun 2015
                    • 7262
                    • india

                    #10
                    Re: Dell E7450

                    That does means the adapter is not properly recognised. You need to clean the liquid spilled area and after cleaning apply some bga flux on that area and heat it gently for less then a minute. Recheck under microscope/magnifier for any missing track or corroded track and/or component.

                    Comment

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