AC adapter for MacBook, MacBook Pro, and MacBook Air

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MagSafe connector heats up really bad, why is that?

I have a late 2009, macbook white, which up until a couple of days ago worked perfectly - now, every time I'm attaching the magsafe connector to the laptop, the connector itself heats up quite a lot in a matter of minutes. It works ok if I try to recharge the battery whilst the laptop is powered off, however every time I'm trying to recharge the battery with the laptop powered on the connector heats up to the point that I can barely touch it.

I can't figure out what is to blame here; is it the connector from the cable at fault, or is it the connector inside the laptop, or the battery?

Also now, the connector only charges the battery if I fiddle with its position a bit.

Any input into the matter would be much appreciated:

Thank you!

Update (06/11/2014)

oh and does anyone know how I can safely dismantle the MagSafe connector? I'd like to check the wiring, before buying a new charger.

Answered! View the answer I have this problem too

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Apple MacBook "Core 2 Duo" 2.26 13" (Uni/Late 09)

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Sounds like the DC in board needs to be replaced in your MacBook. As you didn't tell us which model you have I can't supply you the part number. Review the IFIXIT guides for your system to learn how to replace the part.

Some people have encountered issues with the insulators breaking down in the connector in the system.

I would also recommend you inspect the contacts to see if they are damaged (melted plastic) on the charger as well, you may need to replace it as well here.

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This is the exact model of my laptop - MacBook6,1 - A1342.

Checking it for physical/visible damage was the first thing I did upon noticing the hot connector and there was none, not melted, not burnt/darkend, no dirt.

DC-in board seems normal, and doesn't heat up more than usual.

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The needed part: MagSafe Board 922-9176. Follow this IFIXIT Guide: MacBook Unibody Model A1342 MagSafe Board Replacement. This is an easy fix, don't forget to get a new genuine Apple charger as well here.

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Thanks a lot Dan!

Appreciate the swift reply.

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You are risking a fire, and damaging your laptop. Get a new charger there's a short in the connector block of the magsafe.

If this answer is acceptable please remember to return and mark it.

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so, there's no way I can mend it, is it?

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