I recently had an antenna hooked up to it and it worked just fine. I unhooked the antenna and hooked up the cable cord (Charter) and now I get no channels. When I "Scan Channels" I end up with 0 Digital and 0 Analog. I've had it hooked up to the cable before and everything came in just fine. What do I do now? Should I reset the tv? How do I scan channels manually? Thanks!
SOURCE: Vizio 37L suddenly stopped getting all digital channels
I had the same problem with my 42" vizio. Was working fine for about a year and a half, then a month after all stations went digital, I couldn't see any digital channels and it wouldn't scan for digital signals
This is a strange go around, but it worked for me. . Tried unplugging, pushing power button for two minutes... did everything the forums suggest, with no resolve. But, here's what DID work for me. Trust me, it sounds strange, but it continues to work (and, yes... it's not a permanent fix... the channels still go out once in a while, but I can always get them back now)
Use your Vizio remote control. Turn your TV on. Press the "input" button until you get to "RGB", which is what you would connect a computer to. Make sure no computer is connected, or it's at least off if it is connected. When you get to RGB, you'll see a message that says "No Signal". After about 5 seconds, the TV will enter a sleep mode and seem as if it has turned off (orange Vizio logo). Once it completes it's little sleep cycle and "clicks" off, wait a few seconds and hit the input button again. It'll go to the next menu item. Keep clicking input until you're back on "TV", and VUALA! The channels are back!
I accidentally figured this out when trying to troubleshoot, but I'm glad I did. Didn't want to dishout $250 to get it fixed. Let us know if it works for you too!
SOURCE: No digital signal search
Check your manual to see if it has 2 tuners, digital and analog. If it doesn't have a digital tuner, you will need a converter box.
SOURCE: Trying to scan channels into my vizio, but no
I called my satellite provider. Problem solved!
SOURCE: No digital channels when scanning.
Do you remember to swith between cable and air in the set up manu? It needs to be at air position to have full scanning.
SOURCE: My Vizio VW 26L loses all the digital channels
Tries different antena like a roof antena,or digital antena get better amplication input for receptions,still have signal not ur DTV tuner.
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