For access, remove these FRUs in order:

• Battery pack
• Optical drive or travel cover
• Wireless WAN slot cover and PCI Express Mini Card for WWAN
• Palm rest assembly with cables
• PCI Express Mini Card for wireless LAN
• Keyboard
• Keyboard bezel
  

When installing: Make sure that the connectors are attached firmly to the system board.

In step [4], release wireless antenna cables from the cable guides.

When installing: Make sure that the cables are attached to the cable guides firmly.

Attention: When 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.

Steps [5a] are for ThinkPad Edge 14" and E40, and steps [5b] are for ThinkPad Edge 15" and E50.