Lenovo ThinkPad T450s User Manual page 149

5. If a tool is provided with the new card to help you disconnect cables, use the tool to disconnect the
cables from the old card. If no such a tool is provided, hold the cable connector with your fingers and
gently disconnect each cable from the old card.
6. Remove the screw. The card is released from the secured position and pivots upward.
7. Carefully remove the wireless WAN card out of the slot.
.
Chapter 10 Replacing devices
133