Lenovo ThinkPad X131e User Manual page 87

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.
Attention: Before you start installing a PCI Express Half Mini Card, touch a metal table or a grounded metal
object. This action reduces any static electricity from your body. The static electricity could damage the card.
To replace the PCI Express Half Mini Card for wireless WAN connection, do the following:
1. Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait
three to five minutes to let the computer cool.
2. Close the computer display, and turn the computer over.
3. Remove the battery. See "Replacing the battery" on page 61.
4. Loosen the screw
5. If a tool for removing connectors is included in the package with the new card, use it to disconnect the
cables from the card. If no such tool is included, disconnect the cables by picking up the connectors
with your fingers and gently unplugging them.
1 , and then remove the cover 2 .
.
Chapter 6 Replacing devices
71