Replacing a wireless wan card – Lenovo ThinkPad T540p User Manual
Page 99
10. Connect the antenna cables to the wireless LAN card. Ensure that you attach the gray cable to the main
connector and the black cable to the auxiliary connector on the wireless LAN card.
11. Reinstall the small bottom cover
1
. Then tighten the screw
2
.
12. Reinstall the battery pack. See “Replacing the battery pack” on page 69.
13. Turn the computer over again. Connect the ac power adapter and all cables to the computer.
Replacing a wireless WAN card
Before you start, print these instructions.
Prerequisites for replacing or installing the wireless WAN card
DANGER
During electrical storms, do not connect the cable to or disconnect it from the telephone outlet
on the wall.
DANGER
Electric current from power, telephone, and communication cables is hazardous. To avoid shock
hazard, disconnect the cables before opening the cover of this slot.
83