Where is PMU reset button?
Computer will not turn on, tried shift/option/command, doesn't work. was told to try to reset the PMU on logic board.
Disconnect the power cord.
Remove the user access panel from the bottom of the computer.
Press the PMU reset switch once on the bottom side of the logic board. Do NOT press the PMU reset switch a second time because it could crash the PMU chip.
The switch is near the memory slot, next to the airport card.
Wait ten seconds before you connect the power cord and keep your fingers crossed.
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