After my Ignite TV box and TV go to 'sleep', sometimes I can't wake the Ignite TV box up any other way than to pull the plug and restart it. Using the 'All Power' button on the remote does nothing, and though the voice command button makes a sound - saying 'power up' or 'power down' or similar does nothing. Why does it do this? I just want it to turn back on using the power button, jeez.
saving mode like many have suggested and see if that works.