Released June 2012, Model A1278. Intel processor with Turbo Boost, Up to 512 MB DDR5 Video RAM

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overheating around charger area only when laptop is open and plugged

Only when closed my MacBookPro charges without overheating. I have reseted the SMC (System Management Controller), but MacSafe area keeps overheating when left charging whilst operating.

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STOP!! Disconnect your MagSafe charger and turn off your system as you could make things worse!

First thing here is to make sure the MageSafe cable is not frayed or damaged if it is you need a new power adapter.

As to the next step we really need to know which model you have.

Can you give us your serial number so we can look it up or you can do it you self using this web site: EveryMac, then alter your equipment choice to reflect your system model. Or, just tell us which is yours.

Update (04/02/2016)

First it was not new but used, it could have even been stolen. So the seller mis-lead you if they told you it was new (no previous owner).

Did you spill something into the keyboard or sit the system down on a wet surface?

I would stop using smcFanControl software here are in the long run you end up doing more harm then addressing the root issue on why the system is overheating. In fact your current problem could be related.

For now we need to inspect things internally. Are you up to fixing your own system here? Do you have the needed tools and an antistatic pad and wrist strap?

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not spillages as far as I can tell. Yes I'm up for it. I will check on which tool I might be missing. Currently just basic set of screw drivers with magnetic tips. I still find it very peculiar that it charges fine w/o overheating MagSafe or power brick when close.

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With what we know so far I suspect you have something shorting out. One of the first things you could try is replacing the MagSafe DC-In Board. Following this IFIXIT guide: MacBook Pro 13" Unibody Mid 2012 MagSafe DC-In Board Replacement. Once you get the logic board out make a good inspection of it to make sure there aren't and burnt components on both sides. If you do you'll need to get the logic board repaired or replaced.

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will do. thank you very much for such prompt replies and advice!

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thank you! Serial#: C1MJP0V8DTY3. I bought this from an Amazon retailer as New back in Dec 2013. For some reason I can't claimed this item to be under my AppleID, it seems allocated to someone else's... I had already purchased 2 power adapters and changed the battery over its fairly short lifetime. There seem to be some underlying problem causing the adapters to pass over rather quickly and the overheating now is too obvious of a warning sign.

smcFanControl to Higher RPM does help a lot though.

Family Mid-2012 13" ID MacBookPro9,2

http://www.everymac.com/systems/apple/ma...

PS: shortly after purchase upgraded memory to 8Gb

Thank you very much for any guidance! :)

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anammendesp will be eternally grateful.
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