Chosen Solution

Hello, my name is Vincenzo. I have a MacBook Pro. Some keyboard’s button do not function. Do you think it is a keyboard’s problem? Thanks

Which keys are you having problems with? Has anything been spilled on the keyboard? Here’s how to take it out if you think you need to replace it: MacBook Pro 15" Core 2 Duo Models A1226 and A1260 Keyboard Replacement

You probably just need to clean it, pop off those key caps and wipe with a wet paper towel.