3. Remove the board (3).
To install the USB board, reverse this procedure.
IR sensor board
To remove the IR sensor board, use this procedure and illustration. Before removing the board, you can
remove the system board, heat sink, and fans as an assembly so you do not have to disturb the thermal
material.
Table 6-12
IR sensor board description and part number
Description Spare part number
IR sensor board N14065-001
IR sensor board cable N14066-001
Before removing theIR sensor board, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 36).
2. Remove the bottom cover (see Bottom cover on page 36).
3. Remove the battery (see Battery on page 37).
4. Remove the system board, heat sink, and fan assembly (see System board, heat sink, fan combination on
page 48).
Remove the IR sensor board:
1. Remove the Phillips M2.0 × 2.5 screw (1) that secures the board to the top of the computer.
IR sensor board
53