I bought a cheap 42" 4k dumb tv made by an off brand which is no longer available anywhere, one of the only ones that I could find without network connectivity,

I bought a cheap 42" 4k dumb tv made by an off brand which is no longer available anywhere, one of the only ones that I could find without network connectivity, but it's by no means a great TV in other respects. I think if I used it heavily it'd have burnt out a capacitor by now or something. Reviews indicate they are not too reliable.