Lenovo ThinkPad R400 7439 Hardware Maintenance Manual page 131

Table 36. Removal steps of antenna assembly (continued)
3
4
5
6
When installing: 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.
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ThinkPad T400 and R400 (14.1-inch widescreen)