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Where are LED lights hidden and how to reset SMU switch internally

I have this mac that won't power up and wanted to at least check the LED lights and hit the internal power switch. However, the LEDs seem impossible to find, I read somewhere that they were hidden under the right speaker but I did not find them.

Does anyone know where to look for the LEDs and an internal SMU switch to try to force a restart on this model? This is the iSight so the insides are deliberately obfuscated.

답변되었습니다! 답변 보기 저도 같은 문제를 겪고 있습니다

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선택된 답변

@ mayer, are those it :-)?

Block Image

Block Image

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You found it!

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Sometimes those LED lights are on the logic board just to the right of the RAM slots, covered by a piece of black electrical tape that extends up from the bottom edge of the logic board.

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Miraculous! Nobody has been able to find these! Thank you so much for both your answers because they're so small, I don't think I would have recognized them even if I had found them accidentally.

Since you both clearly know this computer inside and out ... do you know where the PMU button is? It's supposed to be on the logic board, a small black button ... has anyone seen it?

I think that black button is only on the older models....:-)

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