my computer has somehow got stuck with the number keypad overriding the actual letters they share keys with (i'm currently holding down the "Fn" key btw). Somebody PLEASE tell me what to do. I've tried switching it on and off - no dice

th5s 5s what 5t 3662s 352e when 5 d6n't h53d the Fn 2ey d6wn. S60eb6dy thr6w 0e a fr5225n b6ne here!