Lenovo 37012PU Laptop User Manual


 
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Appendix A. CRU instructions
Replacing the wireless LAN card - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
To replace the wireless LAN card, do the following:
1
Turn off the computer; then disconnect the AC adapter and all cables
from the computer.
2
Close the computer display, and then turn the computer over.
3
Remove the battery pack.
4
Remove the Hard disk drive/Memory/Central processing unit/Mini PCI
Express Card slot compartment cover.
5
Disconnect the two wireless LAN cables (one black, one white) .
6
Remove the screw that secures the wireless LAN card .
Note: The wireless LAN card in select models may have only one cable (black).
a
1
b
2