MacBook was working normally except for a faulty keyboard. I replaced the top case/keyboard and now it will not power on. I read about jumping the logic board (power circuit) but the pictures did not correspond to my logic board. Does anyone have a step by step troubleshooting procedure for a MacBook A1342 that doesn't power on? Thank you.
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it doesnt power on or doesnt boot on? you said you took the computer apart... the RAM might not be sitting properly
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Hi EPCOBB
If your motherboard is like this, first remove the keyboard ribbon and just put a cable into pin 5 and 6 and your macbook will power on, in the image, you find 2 diferent procedures, firts try with the procedure in red color, there are the pin 5 and 6, the second procedure requires some habilities and precision to touch this small squares or pieces.
with this procedure mi macbook turn on, but mi problem is diferent, related with smc
best regards
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you will need to give us more information. A1342 is not enough. What are the last four digits of your serial number?
oldturkey03 さんによる