Maintenance and Service Guide

RJ-45 board with bracket
Description Spare part number
RJ-45 board with bracket L19421-001
Before removing the RJ-45 board and bracket, 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 36).
5. Disconnect the battery cable from the system board (see Battery on page 50).
Remove the RJ-45 board and bracket:
1. Remove the ve Phillips M2.5×5.0 screws (1) that secure the assembly to the computer.
2. Rotate the assembly out of the computer (2).
Reverse this procedure to install the RJ-45 assembly.
Component replacement procedures 57