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Mbp a1990 emc 3215 820-01041-a

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    Mbp a1990 emc 3215 820-01041-a

    Start logo apple but restart.
    I tried to restore in DFU mode no errors but reboot in DFU mode.
    I try to enter Diagnostics but when it finishes loading it restarts.
    I tried new battery.
    I tried without touch-id, touchbar, trackpad and keyboard.
    Any idea?
    CPU very hot
    p.s. attached video
    Attached Files

    #2
    Re: Mbp a1990 emc 3215 820-01041-a

    Why is the CPU very hot ? (other than it is a pig of a silicon design)

    Do you have the proper heatsink and thermal compound onboard ? Be sure that the heatsink is firmly attached onto the top surface to dissipate the heat.

    DO NOT run without a heatsink else the CPU will be killed. I recall how I accidently grazed my knuckles over the CPU without a heatsink and will not forget that experience anytime soon.

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      #3
      Re: Mbp a1990 emc 3215 820-01041-a

      Originally posted by mon2 View Post
      Why is the CPU very hot ? (other than it is a pig of a silicon design)

      Do you have the proper heatsink and thermal compound onboard ? Be sure that the heatsink is firmly attached onto the top surface to dissipate the heat.

      DO NOT run without a heatsink else the CPU will be killed. I recall how I accidently grazed my knuckles over the CPU without a heatsink and will not forget that experience anytime soon.
      it's not a temperature issue.
      restarts when loading recovery mode or diagnostics mode.
      no safe mode or verbose mode

      Comment


        #4
        Re: Mbp a1990 emc 3215 820-01041-a

        any update about this issue? i have the same problem like yours

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