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What's the model number off the back of the Toshiba?
Also it sounds like the Input simply got changed- grab the Toshiba remote and find the Input button, Usually the TV is set to HDMI in order to receive broadcasts from a Comcast box. Please try to select that and let me know what happens.
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Do you need assistance with this?
Not the Comcast remote- the Toshiba remote please. Do you have the original Toshiba remote?
If not, then we'll need the model number so I can look up the buttons on the set.
Top of the TV find the INPUT button. Press it and cycle through each one of the Inputs onee at a time to see if one brings your picture back. Let me know what you see on the screen.
Are you still with me?
Yes, I have the model number. You hit the MENU button. On the top of the TV is the INPUT button. No you can't do anything with the Comcast remote until you get your Input back.
Look at the top of the TV- the button says INPUT- press that button. Let me know what you see on your screen Don't press MENU- press Input.
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