Some Keys are not working...need help :(
Hey apple friends, hope you can help
Since recently some keys stopped working. I am not totally sure why. I have been perhaps spraying the keyboard with WD40 but I'm not sure, perhaps it was just air I don't know. These are the keys not working: "t-y -u-i-o-r" All the other ones are fine.
Also I found that electronic contact lubricant and I'm wondering if I should use it as a last resort F2 "special contacts". Looked online about how putting appart the keyboard and clean it totally but it seems really difficult.
My MAC is a MacBook Pro late 2011 with Ep Capitain on it. Version 10.11.6
Many thanks for your help!
MacBook