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Macbook Display EEPROM Programming

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    #1

    Macbook Display EEPROM Programming

    Hello,
    Namaste!

    Recently while doing Macbook Display repairs - due to a mishap by the supplier, we found that certain Macbook LCDs are cross -compatible but have Brightness issues.

    Some are DIM after start-up and some stay at Max brightness with the brightness control being disabled.

    While speaking to my supplier they said that they can program the LCDs at the Factory so that the brightness issue was resolved.

    I was wondering if there were a way we could do the same? I came upon a video online as well. Here is the link >

    https://www.facebook.com/watch/?v=408730854343533


    Anyone has any idea on this?
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    #2
    Re: Macbook Display EEPROM Programming

    Originally posted by Instafixx View Post
    Hello,
    Namaste!

    Recently while doing Macbook Display repairs - due to a mishap by the supplier, we found that certain Macbook LCDs are cross -compatible but have Brightness issues.

    Some are DIM after start-up and some stay at Max brightness with the brightness control being disabled.

    While speaking to my supplier they said that they can program the LCDs at the Factory so that the brightness issue was resolved.

    I was wondering if there were a way we could do the same? I came upon a video online as well. Here is the link >

    https://www.facebook.com/watch/?v=408730854343533


    Anyone has any idea on this?
    They could be programming the EDID rom chip,i`m not sure. Ask them if they will send you EDID dumps so that you can program them yourself
    Last edited by SMDFlea; 01-18-2023, 01:20 PM.
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      #3
      Re: Macbook Display EEPROM Programming

      Originally posted by SMDFlea View Post
      They could be programming the EDID rom chip,i`m not sure. Ask them if they will send you EDID dumps so that you can program them yourself
      I am sure they will sell the .bin file if asked for. We can also take a backup of the file from a "Known Good Screen" can't we?

      Comment

        #4
        Re: Macbook Display EEPROM Programming

        Originally posted by Instafixx View Post
        I am sure they will sell the .bin file if asked for. We can also take a backup of the file from a "Known Good Screen" can't we?
        You could try it and post your results.I never tried it with apple panels so i don`t know,but there could be some other chip that needs programming.What is the difference between the screens anyway,are the part numbers different. Post both working and non working part numbers or post pictures
        Last edited by SMDFlea; 01-19-2023, 12:02 AM.
        All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

        Comment

          #5
          Re: Macbook Display EEPROM Programming

          Originally posted by SMDFlea View Post
          You could try it and post your results.I never tried it with apple panels so i don`t know,but there could be some other chip that needs programming.What is the difference between the screens anyway,are the part numbers different. Post both working and non working part numbers or post pictures
          As far as my knowledge goes the screens are programmed in such a way that some models dont work across other models. They have brightness issues which evidently gets resolved after programming.

          Which programmer to use? Can you please guide? I want to try this out whether it works or not.

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