Lenovo Z580 - Manual (Page 54)

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Appendix A. CRU instructions
7 Take out the wireless LAN card .
8 Install the new wireless LAN card.
9 Reinstall and tighten the screw.
0 Reconnect the two wireless LAN cables (one black, one white).
A Reinstall the compartment cover and tighten the screw.
B Reinstall the battery pack.
C Turn the computer over again. Connect the AC adapter and the cables to
the computer again.
Note: When installing or reinstalling the wireless LAN card, make sure to plug the black
cable into the jack labeled 1 and the white cable into the jack labeled 2.
c
3