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Hey, i am student from germany and i think i will get the best answer for my problem here. Well 5 months before i had an accident with a drink (includes sugar) and my Macbook. I am using it since 5 months but it is suboptimal. My charger don’t charges the battery and i am only used with the magsafe. I mean it is the biggest problem. Second problem is that my shift button is always on fire and i deactivated it with an application. What would you do ? What can i do ? What should i do? Cheers Update (02/04/2016) Well i changed the dc magsafe adapter but the battery isn’t recognized. I can see a x on the top of the display.
I would recommend you disassemble your system and carefully clean the logic board with distilled water (not tap water), that way you can clean off the sugar junk and anything else that is water soluble. Use a cotton swabs (Q-Tips) and a soft toothbrush to scrub carefully any areas that need more. But be careful! You don’t want to snag anything. Once you have cleaned the board with distilled water go over it again this time with a high quality isopropyl alcohol (85% or better) the alcohol will act as a dryer as well as remove any oils. Using alcohol alone won’t do here as the sugar and other water soluble stuff won’t dissolve. Follow this IFIXIT guide: MacBook Pro 13" Unibody Early 2011 Logic Board Replacement to get the logic board out. Stop at Step 26.
