Question about Vizio VMM26 LCD TV

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Hi, my Monitor Turns on an after a few seconds it turns the image off but not the monitor if i disconecct the signal cable on any of the inputs it says check signal , if i conecct it again shows the picture but then it goes blank again

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Tv comes on stays on a no signal input channel , offs after 7sec

Can you describe anything that changed when this started to occur? How is the set connected? What input are you trying to use? If you can respond to these questions, we should be able to give you some direction on how to resolve this. Thanks, Dan

Posted on Jun 10, 2009

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  • 1 Answer

SOURCE: DTV Input

Lone_Heckler -- did you get a part number number for the "main tuner board"? I have the same issue and would like to try fixing it myself...

Posted on Jun 11, 2009

dsacco86
  • 1077 Answers

SOURCE: 50" Vizio Plasma reads "No Signal" on all inputs?

Well, your TV is still under warranty. That's the good part.
The only thing I can recommend without voiding the warranty is leaving the TV unplugged for 30min. That way, the TV can reset itself and hopefully correct the problem.

If that doesn't solve the problem, it's time to use the VIZIO warranty.
Here's contact info if you need it.

Technical Support
Toll-Free: 877.698.4946
(877 MY V I Z I O)
Technical Assistance Emails:
techsupport@vizio.com
Customer Service
Toll-Free:888.849.4623
(888 VIZIO CE)

Posted on Jun 17, 2009

  • 13 Answers

SOURCE: I recently changed from Cable to Direct Tv

When you switched from cable to Direct TV you went from a direct connection to having a box in the middle. The box is required to to decode the signal. There is nothing wrong with the tv, you just may not have the best signal.

Posted on Jul 06, 2009

  • 541 Answers

SOURCE: Tv Turns On with blue screen and says no signal

These sets are famous for bulged or vented capacitors in the power supply. You can't miss them. Thanks for using fixya.

Posted on Feb 06, 2010

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1 Answer

Searching for signal


DVI and HDMI are the exact same signal, except that DVI doesn't include the provision for audio. Essentially the problem you're having is that you have the monitor set to auto input rather than HDMI input or DVI input. Setting the monitor to not look for any input you plug in and defining the input should cause the hunting wait to be eliminated.

Nov 23, 2013 | ASUS VK222H Monitor

4 Answers

Samsung Monitor 192N light turns green when powered on then goes out after few seconds


this usually means the monitor is not getting a signal
  • i would check the hdmi/dvi/vga cable connections dirk_s.jpg
    both on the back of the pc and on the back of the monitor.

  • if the connections are tight, and plugged in well, maybe try and connect it to a second computer or laptop.
    • If it works the problem probably lies with your gfx card in your computer (verify this by trying another monitor on it)
  • If it doesn't work on those i would try and replace the aforementioned cable (usually pretty cheap)
  • if the problem still persists the monitor would probably need to be replaced as its defective.

Feb 28, 2011 | Samsung Syncmaster 192N 19" LCD Monitor

1 Answer

I'm using a lenovo L195 LCD monitor, and my Graphic Card is Geforce 9300 GE. It is said that both the card and the monitor support DVI. When I try selecting the DVI signal input from the button on the...


If it's got a DVI input then it can handle a DVI signal.

There is no reason to have two cables plugged in unless you have two screens. If you've got two leads plugged in then the second one is probably turned off by default. I remember when I had a dual monitor set up, I had to turn on the second output in order to get both screens working.

You haven't said if you removed the d sub when the pc was off, but I get the impression that it was on at the time. Try unplugging the d sub while the pc is off, check the dvi cable is inserted correctly on both ends and then turn your pc on. It should now be working.

If that doesn't work then turn your pc off again, plug the d sub back in and start it up. Go to your display settings and turn on the dvi port, you want it to display a copy of the first screen. if you extend your desktop then you'll only be able to see half of it at a time. This isn't an ideal solution and your graphics card will be doing double the work, so try it the proper way first.

You might not notice the difference though.

Feb 04, 2011 | Lenovo L195 Monitor

2 Answers

I get a "no input signal" error message on the


Check the cable, to make sure that it's plugged into the monitor and the computer.
After that restart the computer - some computers only detect monitors right when it turns on.

Dec 22, 2010 | Westinghouse 22" Widescreen LCD Flat Panel...

2 Answers

Hey my monitor turns on but than turns black after a few seconds? What can be wrong with it?


Most monitors turn blank after a few seconds if they are not receiving a signal from the computer. Check the graphics cables and try another monitor if you have one. If neither works, then you have a graphics card problem.

Dec 28, 2009 | HP f2105 Monitor

1 Answer

My monitor screen is ok for awhile but suddenly turns a dull yellow color. I just bought it a few months ago.


Hi,
you must adjust the display settings in the software program that was being used to change the display setting.
  • If you have a flat panel LCD monitor, unplug the monitor power cable, wait about 30 seconds, reconnect the cable and then turn on the monitor. This resets the electronics on the monitor.
  • Make sure the monitor has power - the light on the monitor is on. If the light on the monitor is off, the monitor does not have power. Connect it to a different power outlet.
  • If the monitor has a detachable video cable, obtain a second monitor cable for testing purposes in case the cable is bad.
  • follw the another steps-
  • Replace the monitor power cable.
    1. Turn on the monitor. If the monitor displays an image, you are done. If the monitor remains blank, continue using these steps.
    2. Replace the video cable. Turn on the monitor. If the monitor displays an image, you are done. If the monitor remains blank, continue using these steps.
    3. If the monitor does not work after replacing the cables, replace or service the monitor
  • Thanks,

    Nov 18, 2009 | Compaq Presario 5000 PC Desktop

    1 Answer

    Screen Goes Blank


    Ive seen this on other monitors. Look for a 1 and 2. Some monitors do NOT auto detect a signal, and this one might not. Look for a way to set the monitor from Digital input to VGA input. Try that and see.

    Jul 21, 2009 | Dell E173FP 17" LCD Monitor

    1 Answer

    While trying to change channels, my t.v. displayed ''no signal'' and then shut itself off. Now, when I turn it on, it says no signal and turns itself off after a few seconds.


    Turn the television on and as soon as the screen turns on repeatily press the input button or change the input to whatever input you are using from a source device. As long as you change it to anything other than RGB.

    Your television is essentially a big computer monitor with multiple inputs and a tuner. When using your computer and shutting it down the monitor will go in a power save mode. You don't need to shut off your monitor due to this power saving mode. When you power up your computer your monitor automatically turn on.

    With the VIZIO and the RGB (computer) input the television will act just like a computer monitor. When you have a computer connected it will power down automatically when you shut off your computer. When you turn your computer on the VIZIO will automatically come out of standby mode. This is through RGB only.

    This is normal operation for the VIZIO but can see confusing when nothing is connected to the RGB input. If you change your television input to RGB it will sense no signal on the input and will go into standby mode after about 5 - 10 seconds. If you were to send a signal to the television through RGB it would automatically kick on.

    Apr 05, 2009 | Vizio L37 Television

    2 Answers

    AL2423W flashes 'No Signal' and turns off and on


    Hi Guys,
    This is a common problem with this monitor but I have a fix. Sounds simple but try it it works. Turn your monitor off, then turn it off at the wall, turn your monitor back on to drain any stored power, now turn it back on at the wall and fire the pc up and see how you go.

    Apr 13, 2008 | Acer AL2423W LCD Monitor

    1 Answer

    DiamondPoint V71LCD Not displaying image


    The LCD screen may be burned out. There's whats called an invertor board and there is an electronic ribbon strip on the LCD itself. If you look very carefully you can probably see a faint image on the screen. The LCD screen will need replacing. Before doing anything with this monitor, try it on another computer first and if you can try another monitor on your computer. Other than that, there really is nothing you can do but replace the monitor.

    Jun 27, 2007 | NEC-Mitsubishi Nec Display Solutions...

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