Should in case you DsTv starts misbehaving, you can follow the steps below to restore it to factory settings:
==> Press “Menu” on your DsTV remote control
==> Select “Advanced Options”
==> Select “Dish Installation”
==> Select “Restore to Factory Defaults”
==> Press OK, follow the instruction, and allow it to scan.
Thereafter, your DsTv should be working fine.
If not, you might have to take it to a nearby DsTv dealer office or call DsTv customer care line for help.