Fix Please Wait Initialising... Airtel digital tv set top box connection (Check USB cables, wires) HD

how to fix tv which shows only Please wait initialising message on the screen. Check the USB cables or wires for loose contact. Unplug all the cables or wires connected between tv and airtel tv set top box. Reconnect it. Take out the card from the set top box, clean it and then reinsert into set top box. Switch off and on again. Please wait initializing..