System board hook
Description Spare part number
System board hook L22748-001
Before removing the system board hook, follow these steps:
1. Turn o 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the optical drive (see Optical drive on page 32).
5. Remove the bottom cover (see Bottom cover on page 36).
6. Remove the battery (see Battery on page 38).
Remove the system board hook:
1. Remove the Phillips M2.0×3.0 screw (1) that secures the hook to the computer.
2. Remove the system board hook from the computer (2).
Reverse this procedure to install the system board hook.
48 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts