Model A1297 Unibody: Early 2009, Mid 2009, Mid 2010 & Late 2011

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Cleaning coffee/splenda corrosion from inside of MacBook Pro

So I spilt a whole cup of coffee in my macbook pro. I took the necessary steps, turned it off, took the battery out, took it back into the warehouse that I work at with a coworker and got out as much liquid as possible and left it to dry. When I turned it on, everything booted and so far the only casualties that have been were the superdrive, LED lighting in the back of the keyboard and now the fans are starting to get a little noisy. Right after this happened I took it to Apple and asked them if I should clean it since it still works and am not going to pay 1300+ to get it repaired. He advised against it and so did my coworker (He thinks if I leave it be, it'll be fine. Uh, yeah, no.) He said the logic board looked good, and to use the computer until it basically dies and then get a new one. But I want to extend the working life of this thing as long as possible so I want to clean it. I've looked at all the tutorials on how to take this thing apart, but have found none on cleaning it. I've read that some people just dip an old toothbrush in rubbing alcohol and scrub, some people soak the logic board and I've just ended up making myself completely confused. I want to give the inside a real good leaning friday night and let it dry Sat and Sun so I can have it ready for work Monday morning (I use my laptop as my work computer, was the deal with my bosses I made to get a job...) Coffee pretty much got into everywhere and yes, I know that this thing WILL eventually die. But it's working and I'd just like to do what I can to extend the shelf life another 6-12 months if possible.

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Deck the Halls
With tools and Fix Kits

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I have fixed about a dozen MacBook and MacBook pros with liquid damage and most of the time they need a thorough cleaning and will work just fine after that.

What I use is SLX Denatured Alcohol. That stuff works great for me and it works much much better than rubbing alcohol and they sell it at most hardware stores. It also works great for removing thermal grease, cleaning glass and removing ink.

You will need:

  • Denatured Alcohol. I buy mine from Home Depot
  • Tooth Brush
  • Glass cleaning microfiber cloth make sure it is lint free! I get mine at the dollar store 2 for $0.99
  • Vacuum with a nylon brush attachment.

Here is what you do:

  • remove the logic board and all internal components.
  • pour some alcohol into a small container and dip your toothbrush.
  • scrub the logic board and any components that may have liquid residue on them. Make sure to continually dip the toothbrush in the alcohol.
  • as you do this, use the microfiber towel to clean the components
  • Use the vacuum to suck up any dust and debris left over.
  • Make sure you reapply a good thermal paste like Arctic Silver 5 or Arctic Silver Ceramique that is the stuff I use.
  • See if you can take the fan apart to clean the internal shaft and use sewing machine oil to lubricate it. This will make it spin faster and make it less noisy as well.

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I had this happen to my 2013 17" MacBook Pro. I knocked a cup of Coke on it and decided to fix it myself. I should note that I am not handy in the least way. After finding a guide online with a video, I followed the steps and soaked my logic board in 91% Iso alcohol that I got at a Rite Aid with a kid's soft toothbrush. I took the toothbrush, dunked it in the alcohol and lightly scrubbed the residue with the toothbrush. I let it set overnight and plugged it back in the next day (follow the guide to remember where the screws go). It fired back up after letting it sit for a minute to charge.

If you are going to do this, be warned that there are some tricky things once you open up the computer. I highly recommend that you buy an electronics repair kit, which provides several different styles of screwdriver bits that will help you accomplish this task. I got one for five bucks at a Harbor Freight Tools store.

Hope this helps someone who is in a similar position.

Found a guide for mine here:

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WONT TURN ON after spilling alcohol

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