Its not because there was no signal it because your sending to much resolution at that tv so it shut down to protect itself.
Allot of people auto think that there tv are hd so any
signal will work, That is not true and you need to check your video card to see if its supportive of this
Polaroid. Not all video cards work to pass signal does not matter if its
meant for the computer or not.
1. check your video card resolution
2. Adjust it to the lowest then try again.
3. Try a
different computer.
If those 3 does not
work then we got something and that will need to involve a
locate TV
repairs to figure out what is
wrong with your tv or its setup.
If you have any questions please ask, otherwise please do click the accept button for my efforts. Btw, I’m available to help over the phone in case u need at
https://www.6ya.com/expert/edwy_1a56970cf1ea4620