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Power charging issue MacBook Air 2012

I have a 13" 2012 MacBook Air.  When I plug in the power the LED does not light and the batter does not charge.  However, if remove the battery from the logic board, the LED lights, and when I re attach the battery to the logic board it charges the batteries.  The power cable will stay let until I detach it and re attach it.  I've tried changing power cables and the problem remains.  I've tried to reset the PRAM AND SMC several times and it the issue remains.  I'm at point where I either try replacing the battery or the logic board. 

The way I see it, is that since the power cord does charge the batteries, the it cannot be a connection issue.  I have a feeling the issue is simple but I'm not sure.  Replacing the battery is cheap but the logic board, is cumbersome as well as $$$. 

Any ideas?  I appreciate the feedback. 

最后更新：2017-08-22 11:29:50

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