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1

No, you cannot just arbitrarily solder the cord from the MagSafe Power Supply on to a generic 60w power supply as the output voltage and amperage need to be matched as well. That said, since you're having issues where it's connecting to the power supply I have to assume your starting off by wrapping the cord to tight around its ears. You're not supposed to ...


1

I've been using the MacBook Air 45W power adapter with my MacBook Pro Retina 15" and it works perfectly. Charging takes a little longer than with the original power adapter. I recommend the 45W adapter for travel.


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Ok everyone thanks a lot for your answers and comments, it turned out magsafe, logic board and charger, all three needed to be replaced. Seems that logic board is not mandatory for the Mbp to be on.


2

It will charge. However, it will do so very slowly.


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It is possible the logic board needs to be replaced. I would try resetting your SMC (manages the power in the laptop): Shut down the computer. Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected. On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the ...


-3

reset SMC look up how to reset SMC on macbook's without removable battery



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