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External Device Connectivity Issues
When the TV has difficulties connecting to external devices such as a PC, game console or mobile device, these
steps may help resolve the problem.
The problem
The "Mode Not Supported" message
appears.
The video is OK but there is no audio.
I want to connect to a PC and mobile
device via screen mirroring.
No screen appears when connecting the
TV to an external device.
Adjust the output resolution of the external device to a resolution supported by
the TV.
If you are using an HDMI connection, check the audio output setting on your PC.
If you are using a DVI to HDMI cable, a separate audio cable is required.
To listen to the computer sound, connect external speakers to the audio output
connection of the computer.
To wirelessly connect the TV to your PC, read the instructions at
Sharing (Wireless)
in
Connection
•
Source
Confirm that the TV and your PC are connected to the same network.
To wirelessly connect the TV to your mobile device, read the instructions at
Smartphone
Screen Sharing (Smart View)
to connect.
•
Source
(Smart View)
If the TV has difficulties connecting to your PC or mobile device due to
surrounding radio interferences, change the frequency of the wireless access
band, and then try to connect.
For more information about how to connect an external device, run
Guide.
•
Source
Make sure that the external device is connected securely and turned on. Move
to
Sources
to switch to other input sources.
•
Source
Using
HDMI
Troubleshooting, you can check the connection to HDMI cable and
external devices (takes approximately 2 minutes).
•
Source
Troubleshooting
When using a set-top box or cable box, check the broadcast signals or the
network that is connected to the external device.
- 135 -
Try this!
Guide, and then try to connect.
Connection Guide
PC
in
Connection
Connection Guide
Smartphone
Connection Guide
Sources
Connection Guide
Video Device
PC
Screen
Screen Sharing (Wireless)
Guide, and then try
Screen Sharing
Connection
HDMI
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