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My MacBook Pro (2012, Retina) will suddenly not charge when it's turned on.

If I shut it down, it charges normally (orange led, goes green when full).

After I turn it on it keeps the green led on until OSX starts up, then the light goes off.

I haven't seen anything suspicious in the console. I also did a PRAM/SMC reset.

OSX 10.8.3

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Have you tried another charger? –  kba May 1 '13 at 20:38
    
Charger is in working condition as described in OP. –  Buscar웃 May 1 '13 at 22:04
    
I'd recommend trying a different charger to rule out your charger being the issue here. –  pknz May 2 '13 at 3:16
    
Unfortunately I don't have another charger. –  hcris May 2 '13 at 6:25
    
To check if it is the charger (overloaded) without having a spare one: Check if it is getting hot and Reduce the load by minimizing screen brightness to zero. Also look what is the charger model, in Watts. –  Buscar웃 May 2 '13 at 8:49

1 Answer 1

up vote 1 down vote accepted

I went to Apple Support and even though it looked like a software issue, they just exchanged the power supply and now it's working perfectly again.

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So it was the charger after all. –  Simon May 2 '13 at 11:58

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