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PCI Express mini card for wireless LAN removal and installation - ThinkPad Edge E420

For access, remove these FRUs in order:

In step [1], unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159) or pick the connectors with your fingers and gently unplug them in direction of the arrow.

Note:Some models might have a third white antenna cable.

e420_minicardlan_1

Step Screw (quantity) Color
Torque
2 M2 × 3 mm, wafer-head, nyon-coated (2) Black 0.181 Nm (1.85 kgfcm)

e420_minicardlan_3

When installing: Plug the grey cable into the jack labeled MAIN or M, and the black cable into the jack labeled AUX or A on the card.

Note : In models with a wireless LAN card that has three antenna connectors, plug the grey cable (MAIN) into the jack marked TR1, the white cable (third) into the jack marked RO or TR3, the black cable (AUX) into the jack marked TR2 on the card.

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