Wireless antennas
The antenna cables route from the WLAN module to antennas on the front near the speaker and on the rear of
the chassis.
To replace the antennas:
1. Prepare the computer for disassembly (Preparation for disassembly on page 13).
2. Remove the access panel (Access panel on page 14).
3. Remove the hard drive (Hard drive on page 15).
4. Disconnect the antenna cables from the WLAN module (WLAN module on page 21).
5. Remove the speaker (Speaker on page 22).
6. Remove the fan (Fan on page 24).
7. Remove the heat sink (Heat sink on page 27).
8. Remove the drive cage (Drive cage and drive cable on page 28).
9. Remove the system board (System board on page 30).
10. Remove the antenna from the front of the computer by pressing the tab on the inside of the computer to
disengage the antenna.
34 Chapter 4 Removal and replacement procedures
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