Lenovo B40-80 (English) User Guide - Lenovo B40-xx, B50-xx - Page 46

Replacing the wireless LAN card, and then remove the bottom slot cover

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Appendix A. CRU instructions Replacing the wireless LAN card To replace the wireless LAN card, do the following: 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. 1 Remove the battery pack. For details, see "Replacing the battery pack" on page 33. 2 Remove the screws a , and then remove the bottom slot cover b . 1 1 2 3 Disconnect the two wireless LAN cables (one black, one white) c . Remove the screw that secures the wireless LAN card d . 4 3 3 40

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Appendix A. CRU instructions
Replacing the wireless LAN card
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
To replace the wireless LAN card, do the following:
1
Remove the battery pack. For details, see “Replacing the battery pack” on
page 33.
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