"Please ensure the television input/source button on television remote is set to that based on the cable being used from the set top box to the television.
Ensure the CAT 5 cable is plugged in either LAN / Ethernet 2, 3 or 4 of the ONT.
Reboot ONT and STB"
"If you are not seeing all of your channels – possibility exists the STB is on “HD only”.
Using your remote go to: