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The ports on the side opposite the charge give out a burning smell, I had connected it to charge and it started smelling and heating up
Please make sure you have the correct MagSafe charger and the connector faces are in good order. Review this Apple T/N Apple Portables: Troubleshooting MagSafe adapters You may want make sure you have a real Apple unit. There are quite a few fakes which can damage your system! As an example Lacking safety features, cheap MacBook chargers create big sparks