sophyat
You don't have to remove the dish from the roof, just the radio. That you were leasing equipment and that some equipment would have to be returned on service termination is quite clear. And though I can say for certain as I haven't personally heard it in a long time now, I'm reasonably sure hat the components needing to be returned are mentioned in the disclosure that's read near the end of every sales call. The modem, the power pack for the modem and the radio from the dish. The instructions for such are here.
It's unfortunate that you didn't call HughesNet when all of this happened, as they may very well have been able to work something out with you due to the circumstances. They may still, but perhaps not as much as could have been done at the time.
I'd take maratsade's advice about creating the new topic.