Video adapter question second try. Dual monitor

I have laptop setup to display with dual monitors, and I know that
part is working

I have a very old TV in the den that works just fine, but it is so
old that it only has connections on the back for an antenna and a
cable. The TV will only go to channel 13 without using the VCR on
top. With the VCR on top I can tune in 2-99

The VCR is so old that the only connections it has are for cable, and
there are two white, and yellow ports that are labeled video/audio in
and
audio out.

I tried plugging the laptop into the VCR using an adapter that has a S
Video port on one end and a phonograph port on the other. I can't get
a display. The VCR will channel 2 thru 99, and it also has a video1
and video 2.

Putting the VCR on either channel doesn't display the laptop, just a
blue screen. The remote has "input" button, but selecting this only
displays a blue screen.

Shoulnd't I at least be able to see static? What am I missing?
.

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