Maintenance and Service Guide

Reverse this procedure to install the touchpad.
Power connector cable
To remove the power connector cable, use this procedure and illustration.
Table 6-8 Power connector cable description and part number
Description Spare part number
Power connector for use in 200 W models L72704-001
Power connector for use in 150 W and 135 W models L72703-001
Before removing the power connector cable, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 29).
2. Remove the bottom cover (Bottom cover on page 29).
3. Disconnect the battery cable from the system board (see Battery on page 37).
Remove the power connector cable:
1. Remove the three Phillips M2.0 × 5.0 screws (1) that secure the left hinge, and then rotate the hinge
upward (2).
2. Disconnect the power connector cable from the system board (3).
3. Remove the cable from its routing under the fan and left speaker (4), and then remove the power
connector cable from the computer (5).
Reverse this procedure to install the power connector cable.
System board
To remove the system board, use these procedures and illustrations.
Component replacement procedures 47