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2011년 10월 24일 출시 / 2.2, 2.4, 또는 2.5 GHz 쿼드-코어 Intel Core i7 프로세서

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MacBook won't turn on, no sound, no screen and no fans blowing

Dear people,

I charged my MacBook last week on work and the next day it wouldnt turn on. Wen I press the on/off button literally nothing happens..

I've tried multiple chargers, power sockets and even left it in the charger overnight. I've left it off for a couple of nights then tried to charge it but it didn't matter.

Some info:

The battery indicator on the side of the macbook doesn't show any green lights when pressed.

The little green light on the MagSafe charger burns BUT very dim, I almost couldn't see it but I just noticed because it was dark in my room..

I was cut out from power at home because we just moved in so there was no electricity. I didn't know that and plugged the charger in the wall anyway. The macbook was turned of at that moment but it didn't turn on after that.

How can I find out what the faulty part is, could it be the battery or could it be more serious like I short-circuited the logicboard.

Is it safe to remove the battery and check if it works without battery but a plugged in charger?

Please MacGods, save me and give me every suggestion you got.

Many thanks and have a good day

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The very first thing to do is to drop in a new battery. This should at least give us a better idea of what's going on. Of course, that may be all it needs.

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I'll get a battery soon, kind of worried that it might not be the answer and that I'll be "wasting" money.

I Replaced The battery with a working one. Still nothing happens and nothing changed. Any ideas left?

With no symptoms, there's just not much to go on. If it was on my bench, I'd try a known good mag-safe adapter and see if there were any changes.

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Hello I had the same problem with a macbook pro 17" unibody, I found this and it worked.

http://forums.macrumors.com/showthread.p...

Good luck

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