External Device Connection Issues - Hisense VIDAA U5 User Manual

If the TV network is connected, the screen will display Connected
successfully.
Problem
The TV cannot connect to
your network or apps.
The wireless network
connection failed.
The wireless network
signal is too weak.

External Device Connection Issues

When the TV has difficulties with external device connection, these solutions
may help resolve the problem.
Problem
I have connected an
external source to my TV
but I get no picture and/or
sound.
The cable box is no signal
or weak signal.
There is no sound.
Possible Solutions
• Make sure the TV has a network connection.
•
Run / >
Network Test.
• Contact your Internet service provider.
• Make sure your wireless modem/router is on and
connected to the Internet.
• Position your wireless router, modem router, or access
point in a central location. Avoid putting it in a corner.
Possible Solutions
• Check whether the connection between the external
device and your TV is correct.
• Make sure you have made the correct selection of input
source.
• 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.
•
Check whether ARC is selected at
> 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.
65
Settings > Support > Self Diagnosis >
/ >
Settings
/ >