Acer 4720 Display Problem...

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  • lorins_core
    BlackSmith
    • Dec 2012
    • 551
    • Philippines

    #1

    Acer 4720 Display Problem...

    Good Day To Our Badcaps Forumers.

    I have a Laptop Acer 4720 mod no.Z01
    acually i Buy to Costumer here in My Country
    The Problem of This here the Picture Below

    The Display Problem of This Laptop?
    [/IMG]



    I go to bios Set up to Check the Display...

    [/IMG]


    First I Think is it LCD?But i Try To Used A External LCD Monitor
    Here but ok in External i'ts mean The Internal Lcd Problem...

    [/IMG]



    I try to change a New one But Still Problem




    Also my Friend have Same Model of this Laptop. I Barrow Him The Lcd of his Laptop and installed the lcd But they Still Problem.

    I think they have Wrong in Mother Board Parts. I Don't Known ? What Parts
    and were..

    Would you Help me?

    Thank's in Advance Badcaps.... :-)
    Last edited by lorins_core; 02-01-2013, 02:05 AM. Reason: Image?
  • lorins_core
    BlackSmith
    • Dec 2012
    • 551
    • Philippines

    #2
    Re: Acer 4720 Display Problem...

    Follow UP... any Idea..

    Comment

    • lorins_core
      BlackSmith
      • Dec 2012
      • 551
      • Philippines

      #3
      Re: Acer 4720 Display Problem...

      Follow Up. Friends. have Encounter this Problem?

      Comment

      • lorins_core
        BlackSmith
        • Dec 2012
        • 551
        • Philippines

        #4
        Re: Acer 4720 Display Problem...

        Up up Up...

        Comment

        • heavymachines
          Badcaps Legend
          • Mar 2011
          • 1028
          • United States

          #5
          Re: Acer 4720 Display Problem...

          could be vid cable problem.. had a few do similar.

          run memtest 86 to make sure system ram ain't causing issue...


          had 1 toshibia laptop have the inverted looking blotches and i tried everything and tried reflowing just gpu no dice, and so in a desperate attempt or hell with it mode, i tossed the board in oven for 8 minutes at 275 degrees and to my surprise it fixed the problem, based on a limb theory of having connection problem to the memory or nearby gpu, or somthing had a bad connection..

          Comment

          • pctek
            Senior Member
            • Apr 2012
            • 53
            • Greece

            #6
            Re: Acer 4720 Display Problem...

            You could try another working inverter and an lcd cable as 'heavymachines' suggested.
            Working good on external monitor doesn't always mean that there isn't a problem with the graphics chip (very rarely but it happens) .

            Comment

            • opamp
              Senior Member
              • Dec 2012
              • 160
              • united states

              #7
              Re: Acer 4720 Display Problem...

              Check the pins on the connector.

              Comment

              • heavymachines
                Badcaps Legend
                • Mar 2011
                • 1028
                • United States

                #8
                Re: Acer 4720 Display Problem...

                can try reseating connectors as opamp is suggesting.... could be panel itself, you can try a panel from another laptop for test, most laptops don't care about size it will still drive the display as long as the connectors are same however do not use sony vaio displays they are wired different sony likes to be proprietary... if panel swap fixes it then order the size you need...if your tester is not same size that is...
                Last edited by heavymachines; 02-04-2013, 07:33 PM.

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