MacBook (13-inch) Additional Procedures— Darfon Keycaps — 299
5. Check the rubber dome and raised metal areas inside the keycap opening on the top case.
• When the rubber dome is pressed and released, it should spring back upright. If the rubber
dome is o center or damaged, replace the top case.
• If the metal hook that holds the slider bar of the scissor mechanism is bent, try to bend it back
to a uniform 90-degree angle. If it is bent or broken beyond repair, replace the top case.
• If the two metal ears are bent, use needlenose pliers to straighten them. If either or both are
broken beyond repair, replace the top case.
• If a metal stabilizer bar is bent, try to straighten it.
6. With the scissor mechanism open, install the slider bar under the metal hook of the top case.