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Repair information and guides for the updated version of the 2015 Retina MacBook that was released in early 2016. Model A1534 / EMC 2991

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Permanent Sleep After Battery Replacement

Stumped on this one guys. So I successfully replaced the battery. Powers on, display comes on, charges etc. but only if the touchpad and keyboard stay disconnected. The moment I connect the cable going from the touchpad to the logic board the system goes to sleep. It's actually the 12” retina m3 core I believe? In any case I've looked everywhere I can think of to see if something was tripping one of the magnets for the sensor but nothing. To be honest I'm not even sure where the sleep/wake sensor is on this thing! Any help would be greatly appreciated! Thanks in advance!

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Does anyone have any ideas? I'm at a complete loss here :(

da

UPDATE: Replaced the trackpad and ribbon cable and still nothing. My next best guess would be a bad screen? It was brought in with a small chip out of the bottom left corner. The screen functions fine otherwise so highly doubt that could be it...

da

Is there nobody else who has encountered this?

da

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Did you hold down the yellow button on the logic board before replacing the battery? I am currently dealing with a similar problem with my macbook

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Wayne Boudreau sarà eternamente grato.
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