Lenovo B50-45 Notebook - Manual (Page 44)

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Appendix A. CRU instructions
Replacing the wireless LAN card
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To replace the wireless LAN card, do the following:
1 Remove the battery pack. For details, see “Replacing the battery pack” on
page 31.
2 Remove the screws , and then remove the bottom slot cover .
3 Disconnect the two wireless LAN cables (one black, one white) .
Remove the screw that secures the wireless LAN card .
Note:
• Make sure the computer is turned off and all the cables disconnected from the computer
before you replace the LAN card.
• Make sure the computer display is closed to avoid being damaged.
a b
1
2
1
c
d
4
3
3