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Computer Won’t Turn on After Using Wrong Charger

Hey!

Literally MONTHS ago I was staying at a friend’s house, and accidentally connected her MacBook Air MagSafe Charger to my 13” MacBook Pro Retina Display Mid-2014 model.

Our chargers were plugged in right next to each other, and I simply got them confused. I didn’t notice anything wrong, though, because the MagSafe light turned green and my computer appeared to be charging. I closed my laptop and fell asleep.

The next morning when I tried to turn my computer on, it wouldn’t start and (not realizing what I had done) I called Apple. They weren’t able to assist me and urged that I drive to the nearest Apple Store (over an hour away from my friend’s house) or take it to SimplyMac in town. I didn’t have time to do either of those things, and I was really annoyed because my MacBook Pro previously stopped working out of nowhere in January 2019 and I had to pay over $650 to get it repaired by Apple. I was initially told it was a hard drive failure, but then got a call that the logic board needed to be replaced.

In summary, since July 2019 I’ve put off a trip to an Apple Store (the closest one to me is in Jacksonville Florida, an hour and a half away) because I’ve been holding out hope that I can fix this problem myself. I haven’t had a whole lot of time to think about it, though, thus the reason I’m just now posting about it and trying to get to the bottom of the issue.

In the meantime, I’ve been using my 2010 white MacBook for word processing and web surfing and borrowing friend’s MacBooks in order to use programs like QLab, Mainstage, Lightroom, and Logic.

The research I’ve done online doesn’t seem to lead me to a solution for my exact problem. When I plug my actual charger into the computer, I’ll get a green or amber light on the head of the MagSafe connector, but no matter what, I can’t get my computer to power on.

Ive opened up the casing of the computer, and I can’t spot any visual damage - so I’m hoping that the MagSafe port is damaged and needs to be replaced? Possibly the battery - though I feel like it would be swelled up or something inside the computer.

I am, of course, hoping that the logic board doesn’t need to be replaced this time around.

I’ve also read some stuff online that implies (for some reason) that using the wrong charger on your computer won’t damage the computer, but it can damage your actual charger when you go to plug in the real thing. That sounds absolutely ridiculous, but I’ll kind of be happy if all I needed this whole time was a new charger.

Hope somebody can help!

Beantwoord! View the answer Dit probleem heb ik ook

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Whatever magsafe charger you were able to plug in your Mac is not supposed to have harmed your MBP, no worries about that, unless it’s an aftermarket knockoff charger. Cheaper replicas may give troubles instead, thus first step would be to make sure what kind of charger you used. After long time with no charge, battery may have gone bad, therefore if you have the right screwdriver I’d recommend disconnecting the battery and try if it starts without it. Depending on this first troubleshooting step outcome, further ones may be attempted, but what would also be important to know is what it was replaced last year and why.

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Replaced the MagSafe port... there is some progress. Indicator on MagSafe Charger shows full charge and blinks when I reset the SMC. Computer will still not power on, though.

Tried starting without the battery, but no luck.

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@utilitygraph93 Not very encouraging, sounds like the logic board got damaged. A board repair or replacement seems to be needed.

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Apple builds in very good over current protection, so the logic board should be fine, but the port and / or charge controller is likely burnt out. Luckily, the Magsafe connector is a separate PCB, and is an easy replacement with this guide ( MacBook Pro 13" Retina Display Mid 2014 MagSafe DC-In Board Replacement ) and a few tools.

The battery will likely not be affected as the over current protection protecrs anything past the Magsafe connector PCB.

Hope this helps!

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Replaced the MagSafe port... there is some progress. Indicator on MagSafe Charger shows full charge and blinks when I reset the SMC. Computer will still not power on, though.

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@utilitygraph93 - What does CoconutBattery showing? post a snapshot so we can see Adding images to an existing question

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Joseph Rollins zal eeuwig dankbaar zijn.
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