LG 42PM4700 Owner's Manual page 134

✎ The access point device must support wireless connection and wireless
connection feature must be enabled on the device to have AP connection.
Contact the service provider for availability of wireless connection on the
access point.
✎ Check SSID and security settings of the AP for AP connection. Refer to the
appropriate documentation for SSID and security settings of the AP.
✎ Invalid settings of network devices (wired/wireless line sharer, hub) can
cause TV to operate slowly or not operate properly. Install the devices
correctly according to the appropriate manual and set network.
✎ Connection may not work depending on the connected device (e.g., laptop)
when using Ad-hoc.
✎ Connection method may differ depending on the AP manufacturer.