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WLAN Module
Description Spare part number
WLAN module (802.11b/g/n) (1x1 mini card) 634906-001
The WLAN module is connected to the system board. The module is secured with two screws and
has one connected antenna.
To remove the WLAN module:
1. Prepare the computer for disassembly (see
Preparing to Disassemble the Computer
on page 27).
2. Position the computer with the rear facing you.
3. Remove the small rear cover (see
Small Rear Cover on page 28).
4. Remove the stand (see
Stand on page 29).
5. Remove the right rear cover (see
Right Rear Cover on page 35).
6. Remove the heat sink (see
Heat Sink (Thermal Module) on page 38).
7. Disconnect the antenna cable from the module, and then remove the screws that secure the
module to the computer.
Figure 7-14 Removing the WLAN module screws and antenna
42 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis