Model A1181: 1.83, 2, 2.1, 2.13, 2.16, 2.2, or 2.4 GHz Core 2 Duo processor

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fan is loud and runs continuously

I had a small water spill - top left side of the keyboard. After letting it dry out for a couple of weeks, it would run with the magsafe cord attached, but only if the battery was removed. With great advice from this forum, I replaced the MagSafe DC-in board (the old magSafe Board DID have some white corrosion on the underside) and everything now works fine, except that the fan is loud and runs continuously - it didn't do that previously. I am so extremely happy to have my macbook up and running again that I can live with the noisy fan, but wonder if I should try and fix that too. Will it hurt anything to just leave the fan alone? Any advice on what to do next, if anything?

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Your exhaust vents may be clogged causing it to overheat. I would use this guide to get to them and clean them out and replace the thermal paste: MacBook Core 2 Duo Heat Sink Replacement

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checked temperature with iStats? Maybe some heat paste or heat sensores were destroyed and now the MacBook tries to "cool down" even if its not warm

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Thanks all for your advice. I also checked with my IT department at work and they said to try resetting the SMC. I did that (the easiest, simplest solution) and it actually worked. I m ecstatic. This forum is fabulous - it solved my original problem - the corroded Magsafe DC-in Board.

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richc46 will be eternally grateful.
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