Reverse this procedure to install the bottom cover.
Bottom cover retention hooks
Description Spare part number
For use only on computer models equipped with a graphics subsystem with discrete memory 928491-001
For use only on computer models equipped with a graphics subsystem with UMA memory 928492-001
Before removing the bottom cover retention hooks, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the bottom cover (see Bottom cover on page 30).
Remove the bottom cover retention hooks:
1. Turn the bottom cover right side up.
2. Remove the two Phillips PM2.0×2.0 screws (1) that secure the bottom cover retention hooks to the
bottom cover.
3. Remove the bottom cover retention hooks (2).
Reverse this procedure to install the bottom cover retention hooks.
32 Chapter 5 Removal and replacement procedures
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