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a1990 820-01041-A running very slow and high fanspin

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    a1990 820-01041-A running very slow and high fanspin

    I got this board for practice.

    It had a liquid damage around U5850.

    Cleaned it, ran a jumper and put back one missing resistor (R5850,47ohm) and cap C8286 (1UF).

    Fans are still spinning on maximum and machine is running very slow.

    I found PP1V8_S5 not present and CPUVR_PGOOD not present.

    Appreciate all help.
    Attached Files

    #2
    think you bro i have repair my mac with your help change R5850

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