Replacing A Wireless Wan Card - Lenovo ThinkPad T540p User Manual

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
12. Reinstall the battery pack. See "Replacing the battery pack" on page 73.
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 perform any replacement and do not connect the telephone 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.
1 . Then tighten the screw 2 .
.
Chapter 6 Replacing devices
87