08op,
To help isolate the source of the problem, recommend the following:
1) As a test, hook up the DVD player directly to the TV using the hdmi cable in question.
a) If the test works, you can discount the cable or the DVD player and it's settings as the culprit and concentrate on the receiver settings (with Adam's help as necessary

).
b) If the test does not work, try using a different hdmi cable to help isolate if it is the original hdmi cable or the DVD player/settings.
c) If you are able to eliminate the hdmi cable as the culprit, I would look carefully at your DVD players settings. Partly because you indicated the cable box is working and I assume you mean cable box to TV thru the RX-V465.
Best of Luck and congratulations on your marriage,
XEagleDriver