If you have a Macbook from 2007-2008, run your Software Update. Apple has released a firmware patch that clears up some bugs with your battery. The bug doesn’t affect everyone, so you might not have noticed it, but if you’ve switched to an L-shaped MagSafe adapter recently, and you can’t get your laptop to charge, this should fix your problem.
I seem to be having a similar problem with my early 2009 Macbook Pro. The MacSafe adapter’s LED indicator doesn’t light up anymore. I haven’t been able to figure it out. If anyone has any ideas, feel free to let me know in the comments.
Article Via MacLife
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