Lenovo B4400 User Manual page 45

Appendix. CRU (Customer Replaceable Units) instructions
7 Take out the Mini PCI Express Card
8 Install the new Mini PCI Express Card.
9 Reinstall and tighten the screw.
0 Reconnect the two cables (one black, one white).
Note: When installing or reinstalling the Mini PCI Express Card:
• In models with a Mini PCI Express Card that has two cables:
Plug the black cable (MAIN) into the jack labeled M(MAIN).
Plug the white cable (AUX) into the jack labeled A(AUX).
• In models with a Mini PCI Express Card that has only one cable, plug the black
cable (MAIN) into the jack labeled M(MAIN).
A Reinstall the compartment cover and tighten the screws.
B Reinstall the battery pack.
C Turn the computer over again.
D Connect the AC power adapter and the cables to the computer again.
.
c
c
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