Lenovo ThinkPad 11e - Manual (Page 126)

7. Align the notched edge of the new wireless-LAN card with the key in the slot. Then carefully insert the
card into the slot at an angle of about 20 degrees.
8. Pivot the new wireless-LAN card downward 1 , and then install the screw to secure the card in place 2 .
110 User Guide