when connecting an HDMI from the pc to the tv the pc monitor turnes off and the tv shows a no signal massage.

[טלי חרבון]

Hello could you please help me with my problem. i recently started conecting my pc to my 4k lg tv and in the display options i selected that it should show only on the tv screen which when enabled turns the computer monitor screen off but after that i saw that there is an option to turn on HDR and when i enabled it the the tv screen disconected and it portrays a no signal massage and now every time i connect the hdmi to the tv the pc screen turnes off and the tv shows a no signal massage so could you help me please thank you.

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