Signal diagnostics

Check if the TV is working properly.

Press the (HOME) button, and select Apps from the Home menu, then select [Help].
Select [Status & Diagnostics] — [Signal diagnostics].

Hint

You can also check the following symptom in [Status & Diagnostics].

[Internet connection diagnostics]

If the problem persists, try the following.

Reset (restart) the TV. For details, refer to If a full reset (restart) of the TV is required.
Check and try Software updates.
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