You do NOT have to replace the ENTIRE top case. Although it is STRONGLY advised (as it is a HUGE pain in your !*& to replace), you can still replace the keyboard yourself. (1) I AM NOT RESPONSIBLE FOR DAMAGES DONE TO YOUR LAPTOP COMPUTER THROUGH THIS PROCESS!! *** - Very VERY carefully... remove the: - Battery (to avoid unwanted electrical discharges) - Remove the HDD - Remove the Fan - Remove the SuperDrive/Optical Drive/CD ROM Drive (Whatever you personally refer it to as) - Remove the Logic Board and MagSafe Charging Board Your computer should look COMPLETELY empty inside. You should see a black sheet and slowly VERY CAREFULLY peal that away and so forth. !!!!YouTube it!!!!! You should now see a metal grid-like thing with a whole bunch of screw-holes. Remove all of the screws. Vwala! Replace the keyboard as desired, starting with the metal sheet from the keyboard. Replace the old metal sheet and work your way in reverse. :P VERY ANNOYING!! Estimated Time to Replace Keyboard: 1 hour and 30 minutes (on a...