Table 5-14 IR sensor board description and part number
Description Spare part number
IR sensor board M57124-001
IR sensor board cable M57109-001
Before removing the IR sensor board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 29).
2. Remove the bottom cover (see Bottom cover on page 29).
3. Remove the battery (see Battery on page 30).
4. Remove the left solid-state drive (see Solid-state drive on page 32).
5. Remove the heat sink (see Heat sink on page 38).
6. Remove the power connector cable (see Power connector cable on page 40).
7. Remove the fans (see Fans on page 41).
8. Remove the system board (see System board on page 44).
Remove the IR sensor board:
1. Remove the protective tape from the board (1).
2. Remove the Phillips M2.0 × 2.5 screw (2) that secures the board to the computer.
3. Remove the board from the computer (3).
Reverse this procedure to install the IR sensor board.
Touchpad
To remove the touchpad, use this procedure and illustration.
Component replacement procedures 47
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