um my mac book air's keyboard is not working and i need it for school work the keys that don't work are m,j,k,l,i,o,p i am now using the home computer and this is really not working for me i really need it for my school tomorrow or I get a behaviour report this is so bad i need it fix quick everything the things you said don't work cause the keyboard is on the computer pls help me i still have loads of homework to finish