820-3115-b no post , fan spin

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  • Bizb9l21
    Member
    • Jan 2023
    • 26
    • Usa
    #1

    820-3115-b no post , fan spin

    Hey all,
    I have a 820-3115-b that was worked on, I have not history for it .

    Found a lot of flux by the keyboard ic and EFI chip was definitely removed and resoldered.
    It powers on , fan spin , green light, won't beep without ram .
    Did SMC reset, did pram ,no visible water damage.
    Removed EFI chip , made a backup and worth chip with good working bios of same exact model board.
    Not an expert but was told I might need a bin file with clean ME ? Not sure what that is .
    Any ideas where I can start diagnosing this issue?
    Thanks
    Tags: None
    • alihomee
      Badcaps Legend
      • Dec 2012
      • 1585
      • malaysia
      #2
      Re: 820-3115-b no post , fan spin

      use search option for this file...its uploaded so many times

        Comment

        • Bizb9l21
          Member
          • Jan 2023
          • 26
          • Usa
          #3
          Re: 820-3115-b no post , fan spin

          Thank you for your response, I was looking for 820-3115 but was not able to find one that said it's clean ME , can you please tell me what to search for or the file name or link please?
          Much appreciated
          Thank you

            Comment

            • alihomee
              Badcaps Legend
              • Dec 2012
              • 1585
              • malaysia
              #4
              Re: 820-3115-b no post , fan spin

              try this ...file is tested
              Attached Files

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