Lenovo ideapad 310 User Manual page 46

Appendix A. CRU instructions
8 Connect the antenna cables to the new Mini PCI Express Card. Be sure to
attach the gray cable to the connector marked "MAIN" or "M" on the
card, and the black cable to the connector marked "AUX" or "A".
9 Reinstall the compartment cover and tighten the screw.
0 Turn the computer over again.
A Connect the AC power adapter and the cables to the computer.
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