Acer Aspire S5-391 Service Manual page 203

Disconnect the WLAN auxiliary antenna cable connector and remove the cable from the guides
9.
on the lower case.
Disconnect the WLAN main antenna cable connector and remove the cable from the guides on
10.
the lower case.
5-99
Figure 5-151. Removing the Auxiliary Antenna Cable
Figure 5-152. Removing the Main Antenna Cable
Service and Maintenance