Tried to set my magsafe but I think I burned my macbook

Has tried to fix my magsafe welding cables (to the Board of Directors of the friend of small white square) but I put them in the opposite direction, did not work.
Now, I bought a new one and it is not even to turn on the light, I burn my macbook?

MacBook pro 15 a1278
85W MagSafe power adapter

You could certainly give your MBP a minor shock with pole reversal.  Start with a Reset of the MSC because that * can * help the hardware controller is found... Reset the management system (SCM) controller on your Mac - Apple Support

Perhaps a visit to the Apple Store, but try the MSC first

Tags: Notebooks

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