I get no signal when i connect my latop and tv or other output device through my HDMI cable

no matter what i try i can never get my laptop to display anything through my hdmi. every time i connect it it tell me "no signal".ive used the duplicate seting and tried different things but still nothing

Hi,
Have you tried to hit F4 to send signals from your laptop to others (such as TV) ?
Regards.
BH
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