For access, remove these FRUs in order:

• Battery pack
• Bottom door
• Hard disk drive (HDD)
• Keyboard
• Palm rest assembly, power-on board assembly (with cable), and microphone
• System board, fan assembly, and backup battery

When installing: When you install the antenna kit, route the cables as shown in the figures below. As you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.

[a]: Wireless LAN AUX antenna (black) and wireless WAN AUX antenna (blue)
[b]: Wireless LAN MAIN antenna (gray) and wireless WAN MAIN antenna (red)

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