The stick has a menu for screen resolutions. It probably defaulted to auto but if you don't like the results you can manually try the others. Do you know what resolution your TV is designed for? 1982 is old, it may not like any of the modern standards, 720p, 1080p.... From memory you can set the refresh rate to 50 or 60 and the resolution to one of several values. If you have any other device with hdmi in, like a pc monitor, you can use that to check that the stick is not faulty.
The other thing that can mess up screen is lack of power reaching the stick. Use the Amazon power supply for the stick and don't ask it to self power from the tv
PS the 1st gen fire stick was an underpowered POS anyway. Prone to overheating, screen freezing. Later generations are much better, Amazon put in a better cpu, better GPU, improved the cooling....
Last edited by stumped; 09-15-2018 at 08:46 AM.
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