RB = Right BumperLB = Left Bumper
Most times they are unfixable as it will be damaged through just wear and tear. If you would still like to fix it. You will need to firstly open the controller with a special screw tool. After...
Xbox 360 slim: - 250 gb (or 4gb) - The fans aren't very loud. - It looks awesome. - Built in Wi-Fi.Xbox Pro: ...Your choice. (:
Return it and trade it for a working one.
no