I have a problem with my HDMI connection between my laptop and monitor?

I have plugged in my hdmi to the monitor and it worked before but one day it just stopped working, I switched the cable and it’s the same thing, I checked the playback setting where I found out about it online and it shows that it is connected to the monitor but the monitor isn’t displaying anything, I don’t know... show more I have plugged in my hdmi to the monitor and it worked before but one day it just stopped working, I switched the cable and it’s the same thing, I checked the playback setting where I found out about it online and it shows that it is connected to the monitor but the monitor isn’t displaying anything, I don’t know what to do please help me this has gone for waaaaay to loong
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