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I have this model. If you have an external device connected, it may be “forcing” the input to display.
You can try this:
Possible Remedies
How to reset TV to factory setting ❏ Turn on the TV. While holding down the RESET button on the remote factory settings control, press the POWER button on the TV. (The TV will turn itself off, then
back on again.) Release the RESET button.
How to restore Video settings to factory setting ❏ Press the RESET button on the remote control while in the Video Menu (see to factory settings page 94).
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Last edited by etype2; 06-15-2020 at 07:00 PM.
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