Asus R451LA E-Manual page 65

Tap Connect to start the network connection.
.
NOTE: You may be prompted to enter a security key to activate the Wi-Fi
connection.
. If you want to enable sharing between your Notebook PC and
other wireless-enabled systems, tap Yes, turn on sharing and
connect to devices. Tap No, don't turn on sharing or connect
to devices if you do not want to enable the sharing function.
Notebook PC E-Manual