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Hi guys. I opened my Macbook Pro M1 2020. I disconnected the battery connecters, as I saw in the iFixit guide. I replaced the speakers. Connected and assembled but did not turn on.
Battery was 80 percent before opening. Macbook was in sleep mode. Tried charging, changed cable/charger, tried Power Cycle and different key combination. No luck. Any help would be very grateful.
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Did you wear an ESD grounding strap when doing the repair? The electrostatic discharge could also cause potential damage when doing those kinds of repairs, especially on macs.
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I think you're right i tried to ground myself before disconnecting the battery. This might be the issue. What could be the possible damage?
It could be a few things on the board, it would be hard to tell specifically what it is without having it in front of me. There's a lot of small components that could be shorted, deeming it inoperable. You might have to use a multimeter and work your way from the charging port to figure out which components might be blown.
I sent it to a repair shop. They said some Sound IC is busted and charging section, they are not more clear but you know what it is.
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I would check the ribbon cables and the logic board connectors. Take some good pictures of the connections and post them here so we can review things.
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