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Hi. My fan wont turn on after I spilled water on my macbook. Can I change any heat sensor or the fan?

Is the fan the only thing that is not working? After opening up the back, you should check the fan connections for any corrosion and clean those off as well as any other connections inside the computer. If those are all clean you can also do an SMC and PRAM reset that may help. SMC Reset: Shut down the computer. Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected. On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time. Release all the keys and the power button at the same time. PRAM Reset: Immediately press and hold the Option-Command-P-R keys. You must press this key combination before the gray screen appears. Continue holding the keys down until your Mac restarts, and you hear the startup sound for the second time, and on the third chime, release the keys.

I have MacBook air no power

Yes the fan can be replaced, Im sure you can find one on ebay

Hello i recently did the same thing, i spilled water on my macbook air, now it’s working everything OK, except for the fan, the fan it’s working since i turn on the computer, the technician say that, the temperature sensor it’s damaged and it can’t be fixed, does any one has ever try to repair the temperature sensor?

I had a coffee spill, I dried everything, the laptop is not turning on except for the Fan, which sometimes goes fast some other time slow, no chimes, or backlights on the keyboard, screen black. Should I diagnose disconnecting the screen and camera from the logic board? I’ve been trying to get an estimate from Apple by chat and phone and they do not provide that information, they want me to go to a genius bar, but time costs, if fixing this thing cost the same as a new laptop I prefer ordering a new one online