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Help with Macbook Pro 15 Retina mid 2012 stuck in loading screen with Apple log

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    #1

    Help with Macbook Pro 15 Retina mid 2012 stuck in loading screen with Apple log

    Good day everyone,
    Thanks for all the help and support from this community. I really appreciate them.
    I have a MacBook pro Retina 15inch mid 2012 that turns on and get stuck in the loading screen then reboot. There is no sign of liquid damage. The history of this MacBook pro is I got it dirt cheap at a garage sale. so I have no idea about the story behind it.
    I was able to extract the Bios dump and it attached to this post to see if someone knowledgeable could help me if the bios is somehow corrupted.

    SN = C02J5DCRDKQ1.

    Thanks again.
    Attached Files
    Tags: None
    #2
    Re: Help with Macbook Pro 15 Retina mid 2012 stuck in loading screen with Apple log

    Originally posted by waakye View Post
    Good day everyone,
    Thanks for all the help and support from this community. I really appreciate them.
    I have a MacBook pro Retina 15inch mid 2012 that turns on and get stuck in the loading screen then reboot. There is no sign of liquid damage. The history of this MacBook pro is I got it dirt cheap at a garage sale. so I have no idea about the story behind it.
    I was able to extract the Bios dump and it attached to this post to see if someone knowledgeable could help me if the bios is somehow corrupted.

    SN = C02J5DCRDKQ1.

    Thanks again.
    try..
    Attached Files
    Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

    >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

    Every donation made will go towards server fees and maintenance costs.

    Comment

      #3
      Re: Help with Macbook Pro 15 Retina mid 2012 stuck in loading screen with Apple log

      Thanks Peste
      I tried, the Bios you attached and when I turn on the Mac, no chime. Fan spins but screen is black. I did smc reset and PRAM reset still no boot chime.

      Comment

        #4
        Re: Help with Macbook Pro 15 Retina mid 2012 stuck in loading screen with Apple log

        Can anyone share a working Bios. board number is 820-3332-A?
        Thanks

        Comment

          #5
          Re: Help with Macbook Pro 15 Retina mid 2012 stuck in loading screen with Apple log

          Originally posted by waakye View Post
          Can anyone share a working Bios. board number is 820-3332-A?
          Thanks
          give some more data... the name and full model of the laptop... A???? and EMC???
          Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

          >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

          Every donation made will go towards server fees and maintenance costs.

          Comment

            #6
            Re: Help with Macbook Pro 15 Retina mid 2012 stuck in loading screen with Apple log

            Thanks Peste for responding.
            Hope that the information below will help.

            Apple MacBook Pro 15-Inch "Core i7" 2.3 Retina 2012.
            A1398 (EMC 2512)
            MC975LL/A

            Thanks again!

            Comment

              #7
              Re: Help with Macbook Pro 15 Retina mid 2012 stuck in loading screen with Apple log

              Originally posted by waakye View Post
              Thanks Peste for responding.
              Hope that the information below will help.

              Apple MacBook Pro 15-Inch "Core i7" 2.3 Retina 2012.
              A1398 (EMC 2512)
              MC975LL/A

              Thanks again!
              try..this
              Attached Files
              Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

              >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

              Every donation made will go towards server fees and maintenance costs.

              Comment

                #8
                Re: Help with Macbook Pro 15 Retina mid 2012 stuck in loading screen with Apple log

                Thanks peste. Now it chimes and boot but it still get stuck at the loading screen and then reboots. maybe I have a different problem other than the Bios.

                I really appreciate your help. I will report back if anything changes.

                Comment

                  #9
                  Re: Help with Macbook Pro 15 Retina mid 2012 stuck in loading screen with Apple log

                  All thanks go to Peste for helping with the Bios bin file. The MacBook is running now after I change the hard drive. Thanks again Peste!!

                  Comment

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