i have sony bravia. when i open my game the screen shows unsupported signal ,check the device output.what should i do

Feb 8, 2018
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i have sony bravia lcd.when i downloaded my game.it doesnt open.there was a message that unsupported signal.check our external output.what should i do
 
Nov 6, 2018
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This just happened to me when trying to play Assassins Creed: Odyssey after it hung and I had to force it to shut down.