my cable box is on but my tv says no signal

The process seems simple enough but I am beginning to believe that my cable box does not directly control the TV it just feeds audio video signals through channel 3 maybe it is not possible to have the single button turn box TV on or off simultaneously. Level 10 Genius 4525 Answers 1 Friend 207 Followers.

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Arris cable box no signal twc l1.

. Even after the alert signal. After initialising the channel will display and the no signal message will vanish off. If still the no signal message is displayed on the screen then you need to check your TV and the cable box.

My tv says there is no signal when i connect my laptop to it via a vga to hdmi cable as my tv does not support a vga port. Call the cable operator to fix it. Now if the message disappears then your TV is perfectly fine but not your cable box.

Selected hdmi1 on tv and shows no signal however when we connected c. We connected the hdmi cable to dvr cable box and to back of tv in hdmi1. If after resetting your cable or satellite you still have the no signal message displaying on your TV then you have to check maybe there is a wrong connection somewhere.

To check it remove the cable box and insert the other external device. It might be that the cables have been wrongly plugged. The unit feels solid and is a simple 6 button layout.

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