Lenovo ThinkCentre 3493 User Manual page 71

1. Remove the WiFi adapter card from the computer, and then disconnect the front and rear WiFi antenna
cables from the WiFi card module.
Figure 44. Removing the WiFi antenna cables
2. Remove the two screws that secure the WiFi card module to the WiFi adapter card.
Figure 45. Removing the screws that secure the WiFi card module
.
Chapter 5 Installing or replacing hardware
59