Lenovo M50-70 Notebook - Manual (Page 49)

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Lenovo M50-70/M50-80
Figure 6. Removal steps of PCI Express Mini Card for wireless LAN (continued)
Remove the card in the direction shown by arrow 3.

When installing:
• In models with a wireless LAN card that has two antenna connectors, plug
the black cable (1st) (MAIN) into the jack labeled MAIN, and the white cable
(2nd) (AUX) into the jack labeled AUX on the card.
• In models with a wireless LAN card that has three antenna connectors, plug
the black cable (1st) (MAIN) into the jack labeled 1, the grey cable (3rd) into
the jack labeled 3, and the white cable (2nd) (AUX) into the jack labeled 2 on
the card.