Dell 3521 Power on, No display, No beep

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  • raajkumar
    Badcaps Veteran
    • Mar 2015
    • 354
    • Srilanka

    #1

    Dell 3521 Power on, No display, No beep

    Dell 3521 power on, Fan working, No display, No beep sound. I checked Screen. I doubt on bios but i dont have bios chip reader/ writer. Can i flash bios through usb drive without display ? anyone having any ideas
  • samanthban
    Badcaps Veteran
    • Feb 2014
    • 253
    • Sri lanka

    #2
    Re: Dell 3521 Power on, No display, No beep

    its better to have a programmer .but dell 3521 has in built ec bios as well.
    sigpic

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    • raajkumar
      Badcaps Veteran
      • Mar 2015
      • 354
      • Srilanka

      #3
      Re: Dell 3521 Power on, No display, No beep

      I replaced Programmed bios chip. But still the same problem.

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      • raajkumar
        Badcaps Veteran
        • Mar 2015
        • 354
        • Srilanka

        #4
        Re: Dell 3521 Power on, No display, No beep

        I checked the LED connector. So the led power on connector pin 40 is not giving any voltage. But the schematic says it should be there.

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        • Joseph cauchi
          jccomputers
          • Jan 2015
          • 89
          • Malta

          #5
          Re: Dell 3521 Power on, No display, No beep

          I would replace southbridge.switch on and touch with your finger to see if it gets hot.

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          • raajkumar
            Badcaps Veteran
            • Mar 2015
            • 354
            • Srilanka

            #6
            Re: Dell 3521 Power on, No display, No beep

            It's having only one chipset. southbridge combined with CPU. I checked its voltages and it is ok.

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            • LUKMAN
              New Member
              • Dec 2016
              • 3
              • india

              #7
              Re: Dell 3521 Power on, No display, No beep

              oh my brodher very esy problem check the cpu supply no hit the cpu and no display REFLOW A CPU IC PROPARLY PROBLEM IS SOLW

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              • raajkumar
                Badcaps Veteran
                • Mar 2015
                • 354
                • Srilanka

                #8
                Re: Dell 3521 Power on, No display, No beep

                Originally posted by LUKMAN
                oh my brodher very esy problem check the cpu supply no hit the cpu and no display REFLOW A CPU IC PROPARLY PROBLEM IS SOLW
                I will try and let you know, If its works.
                Last edited by raajkumar; 12-16-2016, 02:04 AM.

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                • lakmal478
                  New Member
                  • Oct 2015
                  • 7
                  • sri lanka

                  #9
                  Re: Dell 3521 Power on, No display, No beep

                  i have the same issue , all cpu power ok ,but no display , anybody know the solution ?

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                  • Techtiger
                    Badcaps Legend
                    • Oct 2014
                    • 1601
                    • france

                    #10
                    Re: Dell 3521 Power on, No display, No beep

                    voltages in all coils
                    +VGA PCIEP +VCC GFXCORE +VCC CORE ect ?

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