You can try a can of compressed air to remove some dust, but it is best to direct the dusty air out of the computer, rather than blow it inside the computer. You are going to want to take the palmrest and keyboard out to get access to the fans. If you are using a compressed air can, make sure to keep it upright, otherwise you will get unwanted moisture from the compressed can air nozzle.
Check out this video of your laptop disassembly guide:
https://www.youtube.com/watch?v=Sppzh4GL...
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