How would a planet look like if Jupiter was a black hole?

Hey, I know that the concept of Jupiter becoming a black hole has been discussed here before, but I would like to go a little bit more in depth with it, because I was not happy with the outcome of my search results. What I am looking for is kind of what happens if Jupiter were to become a black hole, but in the context of a story. The story is set in "the far, far future", where the sun has already turned into a red giant, and Jupiter is said to be a collapsed star with a diameter similar to that of Earth. The story kind of implies that Jupiter's collapse into a black hole somehow changed the planet. I would like to know how exactly Jupiter becoming a black hole could impact Earth. <br><br>TL;DR: What kind of effects would the collapse of Jupiter into a black hole have on Earth?