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If the TV network is connected, the screen will display Connected
successfully.
Problem Possible Solutions
The TV cannot connect to
your network or apps.
• Make sure the TV has a network connection.
•
Run / > Settings > Support > Self Diagnosis >
Network Test.
• Contact your Internet service provider.
The wireless network
connection failed.
• Make sure your wireless modem/router is on and
connected to the Internet.
The wireless network
signal is too weak.
• Position your wireless router, modem router, or access
point in a central location. Avoid putting it in a corner.
External Device Connection Issues
When the TV has difficulties with external device connection, these solutions
may help resolve the problem.
Problem Possible Solutions
I have connected an
external source to my TV
but I get no picture and/or
sound.
• Check whether the connection between the external
device and your TV is correct.
• Make sure you have made the correct selection of input
source.
The cable box is no signal
or weak signal.
• If there is no signal occasionally, unplug cable from TV
and re-plug after 60 seconds.
• If there is always no signal, or the signal cannot be
restored after plugging and unplugging, you can try
/ > Settings > System > HDMI & CEC > HDMI
Format, to confirm whether the signal can be recognized.
• Change to another HDMI port.
• Change to another HDMI cable.
There is no sound. •
Check whether ARC is selected at / > Settings
> Sound > Speakers > Audio Out. If not, you need to
check whether the external power amplifier device is
connected to the ARC/eARC port or optical port of the TV.
•
/ > Settings > Sound > Speakers > Digital
Audio Out. You can try to select PCM, Dolby Digital, or
Dolby Digital Plus.
• Whether the power amplifier device port is connected
correctly.
•
If you select HDMI as input, you can try / >
Settings > System > HDMI & CEC > HDMI Format.
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