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My Keyboard Lights wont light up and my F5 & F6 keys dont do anything and i dont have the options of lights on my keyboard settings anymore

Your macbook pro has two cables that connects the keyboard to the logic board. It is located directly above the battery. The wider cable is responsible for keyboard actions and the slimmer cable is responsible for the backlight. Your cable may just be loose or not inserted all the way in. If you are inexperienced with computers, try taking it to the Apple store and ask the Genius if he/she can check the cable. Best of luck!