A1278 820-2936 Rev.B Sleep light on

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  • denem271
    New Member
    • Feb 2022
    • 3
    • MEXICO

    #1

    A1278 820-2936 Rev.B Sleep light on

    Hi everyone

    I have this model of Macbook that has sleep light on, also i can hear fan and hdd working, battery charging is ok, ac adapter has green and orange light, already tried smc reset with keyboard method with no result, i would like to know where to start with motherboard.

    Thanks in advance.

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    by Adogabriel100
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    this macbook came for a short on C6990 that blows D6990 and R6990 on his way. i re-placed the componets and it work again.

    A month later comes back again and has the actual problem (no green/orange light and dont turn on)

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    06-28-2023, 07:41 PM
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