For access, remove these FRUs in order:

• Battery pack
• Bottom slot cover.
• Hard Disk Drive (HDD).
• PCI Express Mini Card for wireless LAN.
• PCI Express Mini Card for wireless WAN.
• Keyboard.
• Top case assembly and microphone module.
• Speaker assembly.
• System board and fan assembly.
• LCD unit.
• LCD panel and LCD cable.
• Hinge kit.
  

Cable routing: When you install the antenna assembly, 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 MAIN antenna (gray)

[b]: Wireless WAN MAIN antenna (red)

[c]: Wireless WAN AUX antenna (blue)

[d]: Wireless LAN AUX antenna (black)