TV losing signal after a few seconds when trying to connect HDMI

It's a new TV and a new cable, but when trying to watch something the screen loses signal after a couple seconds of plugging it in, this is solved by changing the resolution to whatever I want, only to lose signal a bit later
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More about losing signal seconds connect hdmi
  1. Try a different input on the TV. Try a different cable. Try the cable and source on a different TV. Since the TV is new it could be defective.
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