Facing TV Problems? Ask a TV Technician.
Hello, and sorry you're having problems. We are now connected on this website- which saves you money over having a Tech come to your home, and in many cases we can fix the problem you're having. In other cases, these things do require additional parts to fix. But I can help you with that as well.
What is the model number off of the back of the TV?
Where do you see "Co-3"- on the TV screen, or the display on the DVR?
Who is your cable provider and what is the model number of the DVR?