I don't think it is distant future. It could be more like: "My computer won't start" (it currently does not start), or "don't leave this unattended or the cat

I don't think it is distant future. It could be more like: "My computer won't start" (it currently does not start), or "don't leave this unattended or the cat will eat it" (it's actually happening right now as soon as you do).