This definitely sounds like something the reps are going to have to help you with. They're on M-F from approximately 9AM to 6PM EST, so the earliest you'll see a reply from one is tomorrow, though Damian is on during the evenings once in a while.
Because they will very likely want to run remote diagnostics on your HughesNet equipment, please be sure to leave you HughesNet modem plugged in so that they can do so.
Just in case, when on the main System Control Center page, try clicking on "WiFi Settings" on the left. That you can't get to the WiFi settings by going to 192.168.42.1 probably means that it won't work, but it might be worth a try, just for the heck of it.
Welcome to the community and thank you for posting. Upon taking a few looks into your system, it does seem your modem is having a few issues. When I attempt to turn on the WiFi networks as well, the command doesn't seem to be going through. I'm going to be sending you a new modem, with fees waived. There will be a return label already on the box, for the return of the old modem. Please let us know if this helps!
Not a problem! Unfortunately the new modem has already been shipped to the service location, so once it is deemed undeliverable and returned, we'll be able to send one to the service location. Apologies about the mix-up!