1. If a rectangular-shaped key needs to be removed (for example, if a key is sticking when pressed), always pry it up from the left side—either the upper or lower left corner.
2. Because adhesive is used under the top case, closely inspect the case for any adhesive that may have built up under the keycap. Lift away any built-up adhesive using fine-point tweezers.
3. Test the operation of the scissor mechanism by using a black stick to carefully raise and lower the mechanism.
6. With the scissor mechanism open, install the slider bar under the metal hook of the top case.
7. Allow the scissor mechanism to fold flat and hold the slider bar in place while using a black stick to insert the scissor pins—one at a time—into the top case ears.
8. With the scissor pins inserted, use a black stick to raise and lower the scissor mechanism to make sure it moves freely.
9. Check the keycap well area on the top case. If the bottom stabilizer bar is pushed up, move it down as far as it will go.
10. Determine which is the top of the Space bar keycap by checking the clips on the inner plane. The top of the keycap has the row of clips that extend closest to the sides of the keycap. These top clips most closely match the longest stabilizer bar at the top of the keycap well.
13. Press along the top of the Space bar to secure it to the top stabilizer bar. (Listen for the keycap clicking into place.)
14. Press the length of the Space bar to ensure all clips are secure.
15. Check the key from all angles to make sure it is uniformly flat. Press and release one corner of the key. If the key is installed correctly, the opposite corner should respond at the same level (not tilted higher or lower).
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