When hdmi connect to sumsung lcd error show no signal? how to connect

Hello , I m getting the error" check signal" when i m trying to connect my samsung lcd to Lenovo laptop vai HDMI cable.Tried to adjust the setting in ...
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More about when hdmi connect sumsung error show signal connect
  1. on your samsung tv set the source to HDMI (whatever number its on) then on your laptop right click on windows desktop properties and check "extend my monitor" hit ok and should be fine.
  2. I had to switch my cable around for it to work. For some reason my laptop only displays something on the tv when the hdmi cable is plugged in a certain way (i thought all hdmi- hdmi cables were bi-directional)
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