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I just brought a used MacBook Pro and brought a magsafe adapter from apple store. plugged it in and get no power. no light, only on the magsafe. Battery will charge, just no power. Any thoughts?
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Try resetting the PMU and PRAM and let me know if that helps. Ralph
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Neither of those worked.
It begins to look like a board problem. Is there any chance of you being able to return it and get your money back? Ralph
no but thanks i might buy a board
thanks again
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I can show you how to open the back and boot it from the board. Sounds like the computer has power but the keyboard had liquid spilled into it and stopped working. The easiest way to find out is remove the bottom panel and boot from the pads on the logic board with a pair of tweezers. I fix liquid spilled mac's everyday. If you can send me some more info on your computer I can send you step by step photos.
sorry its a bit blurry, I need a real digital camera! ANyways, these are the power pads on a 17-inch. The reason I asked you for logic board serial was so I could determine for you (and send you an image) of the correct pads. Apple in the service manual says "short the two pads together" and the easiest way is with a pair of tweezers.
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great answer, just watch the inflammatory comments when you answer. Thank Scott Dingle for editing
I'd be really interested in a made guide by you Josh about booting from the pads on the logic board with a pair of tweezers. What are you going to do with your old logicboard ?
oh so on all logicboards it will read pwr btn?
@josh Arron's hi there. I had some water damage as well on my MacBook Pro 2011 early. Won't start. No corrosion, Can I jump it. Just a dim green light on power supply. Where are the jump pads on the logic board for this model. Any help would be greatly appreciated. I have all my work on this computer.
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