Check and tighten all connectors leading to your TV and cable box
Unplug your cable box then plug it back in
I have no video, a snowy picture or I cannot tune to any of the digital channels
For a High-Definition connection, your TV input should be tuned to either HDMI input or Component input with the red, blue and green slide-on connectors (see "Change the input on your TV" below.)
Be sure your analog TV is tuned to Channel 3.
Check and tighten all connectors leading to your TV and cable box.
Check to see if the TV is plugged into a ‘live’ electrical outlet and is not controlled by a wall switch or power strip that may be turned off.
Change the input on your TV
Press the TV button on your remote
Look for a button with one of the following names, or something similar:
Video or Video Input
Source orVideo Source
Press this button. Depending on your TV, it may cycle through available inputs or display a menu with a choice of inputs.
If it brings up a menu, use the remote control's Arrow Keys to highlight a choice, then the remote's Select or Enter button to choose that input. Another option is to press the button you found twice to move to the next menu item.
The inputs often have basic names such as Video 1 and Video 2, names reflecting the type of connection such as HDMI 1 or Component 2, or descriptive names such as Cable Box or DVD. Your TV and TV remote control may also have an Input or Source button.
I have a picture and no sound
Turn the volume on the TV to normal listening level.
Using your TV’s original remote, check to ensure “SAP” or Secondary Audio Programming has not been engaged.
Press MUTE on your remote control to see if the sound was muted.
My remote control doesn’t respond when I press a button
Press the CABLE button on the remote to make sure it is in Cable mode. Try using the remote again.
Make sure your cable box is on.
Make sure you have no obstructions between remote and cable box.