My TV keeps on going to Channel 3 when I turn it on--no sound, no picture--and I can't change it to a different channel.
Which TV do you have?
Might be a store-display-mode
How the TVs on display start turning themselves down to no volume, right after the volume is turned up and the like features.
I have had this TV for several months. Sometimes it works for a few weeks, and then suddenly the problem occurs again.
Are you using a digital-terminal? If so, it could be powered off.
What is a digital terminal? How do I know whether it's turned off?
Shaw TV box - black or silver sitting near your TV.
Should have a light that is Power, which will not be lit if off.
What do I do if the light is off?
Cable - Power On the Shaw remote.
If this turns your TV off in the process, then go to the front of your TV, and push the power button manually to turn it back on.
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