Replacing The Pci Express Mini Card For Wireless Wan Connection; Prerequisites For The Procedure - Lenovo ThinkPad X300 Series User Manual

Replacing the PCI Express Mini Card for wireless WAN connection

Before you start, print these instructions.
Some models have a PCI Express Mini Card slot
Express Mini Card with a new one, follow the procedure below.

Prerequisites for the procedure

Replacing a PCI Express Mini Card for wireless WAN
Prerequisites for the procedure
When installing or replacing the card, be sure to follow the precautions.
Danger: During electrical storms, do not connect the cable to or disconnect it from the 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.
for connection to a wireless WAN. To replace the PCI