Lenovo 418734U - IdeaPad S9e 4187 Hardware Maintenance Manual page 77

Table 19. Removal steps of PCI Express Mini Card for wireless LAN (continued)
3
When installing: Plug the black cable into the jack labeled MAIN or 1 on the
card, and the gray cable into the jack labeled AUX or 2.
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IdeaPad S9e, S10e, and S10