Some of the keys on my laptop have stopped working and I have a lot of work to do so it is really important that I know how to fix it...

my name is Tara and I have an Apple macbook pro. I have had several problems with several keys on the keyboard- they keep refusing to work and I do not know how to mend this. Please could someone answer my question as to how I can mend my laptop as it need it 24 hours a day at school for work. Thank You

1. Reset PRAM.  http://support.apple.com/kb/PH4405
2. Try the steps suggested in this article.
    http://support.apple.com/kb/PH10680
Best.

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