Mid 2010 Model A1278 / 2.4 or 2.66 GHz Core 2 Duo processor

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I replaced my keyboard, now my computer won't recognize the battery

I'm having a strange issue with my battery. I've read a lot of people having their batteries go bad but my problem is not of this nature.

Sorry, but this will be slightly long winded

I have a mid 2010 13" Macbook Pro. I spilled a beverage on my keyboard recently, and over the weekend I took it apart and replaced the entire top case. (The keyboard was very funky, and when I plugged in an external USB keyboard the entire machine seemed to run 100% perfectly). Upon putting it back together however, I turned it on and it worked, however, it ran very slow. I soon noticed that it was no longer recognizing the battery at all. Of course, I took it apart to see if I didn't reconnect the battery properly but I am quite sure I did.

So my question is, should I buy a new battery and see if it works or did I somehow mess up the motherboard's connection to the battery? (I did my best to be super delicate with all of the connecting components). If I should purchase a new battery, is it okay to use a much more cheaply priced third party battery, or should I pay more for one made by Apple? Finally, as I mentioned, upon putting my machine back together, it suddenly runs much more slowly; could this be caused by the lack of battery or did I do something else to it (and what could that be)?

I read that resetting the SMC may help in this situation. The Apple website had a list of symptoms very similar to what I am experiencing and said this could be a solution. Tried this a couple times, didn't do much.

Any tips or experiences would be greatly appreciated.

Answered! View the answer I have this problem too

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You don't say, so we don't know... when you disassembled to do the keyboard replacement was there beverage residue or corrosion on other parts... did you clean them?

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Run your hardware test to check all components. Damage to RAM, HDD, CPU could cause slow down.

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I just solved the same problem!

I replaced my mid-2010 Macbook Pro keyboard this week due to a liquid spill which only damaged the keyboard. I didn't realize until my computer completely ran out of power a few days later that the battery was no longer charging consistently. SMC resets did not help.

I finally decided to open my computer backup and look around. When I did so I realized the tiny wires coming from the magadaptor were being shorted out by the 13.5mm screw closest to the magadaptor that holds the lower case on the macbook. The way it's designed the 13.5mm case screw goes through the display data cable bracket (step 8 of these directions MacBook Pro 13" Unibody Mid 2010 Logic Board Replacement) and I had caught the magadaptor power cable underneath the cable bracket--whoops! So when I inserted the case screw it would short the power line, preventing charging.

Removing the logic board allowed me to re-route the power cable properly, and the problem is solved! Only took about 10 minutes total.

I'm obviously not very tech-fluent, replacing my laptop's keyboard is the only thing I've ever done to my computer, so it I'm sorry if my explanation isn't very clear. But, before you invest any more money in a solution you might want to see if this might also be the problem on your computer.

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kevin will be eternally grateful.
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