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Tv just comes up on screen " no signal " all plugs in correctl

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What is the impedance of the cable used from tv to aerial coaxial socket at wall. you may need a Aerial type coaxial cable at 75 ohms you may have used a video cable which looks exactly the same but is different electrically due to impedance differences.

Posted on Apr 21, 2014

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Posted on Jan 02, 2017

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My digital tv is saying no singal whats the problem and how do I fix it? we have a huge antenna on our roof







1 – Is the NO SIGNAL issue happening on just one TV?
CORRECT INPUT or SOURCE
If it is just one TV that is showing the NO SIGNAL…
-Be sure your TV is on the correct source or input as your CABLE or SAT BOX.
-Press the TV button on TV remote control to turn your TV ON.
-Press the INPUT button on your TV remote control.
-Cycle through all the inputs on your TV.
-Do this until you are on the INPUT your CABLE or SAT BOX is plugged into.
-You should then see the CABLE or SAT programming show on your TV.
HINT: Your TV will most likely list the TV INPUTS as: HDMI 1, HDMI 2, HDMI 3, VGA, Component 1, Component 2, and so on.
If you still see NO SIGNAL on your TV screen, see the next step below…

2 – If you have your TV on the correct INPUT or SOURCE and you still see NO SIGNAL…
CABLE OR SAT BOX NEEDS RESET
-Remove or unplug the power cable from the Cable TV or SAT set top box.
-Keep it unplugged for 2 to 3 minutes.
-Plug the power cable back into your Cable or SAT set top box.
-Give it some time for the Cable or SAT box to power up, get the signal, and initialize.
If you still see NO SIGNAL on your TV screen, see the next step below…

3 – If you have reset the Cable or SAT box and still have the NO SIGNAL…
UNPLUG THE CABLE GOING FROM THE TV TO YOUR CABLE OR SAT BOX
-Remove the HDMI cable or other cables from your Cable TV or SAT set top box.
-Keep the cable unplugged for 2 to 3 minutes.
-Plug the HDMI cable or other cables back in.
-Give it some time for the Cable or SAT box to get the signal and initialize.
HINT: Make sure all the cables that are connected to your Cable or SAT box and your TV are tight, undamaged, and secured.

4 – If all of your TVs are affected with the NO SIGNAL screen…
BE SURE THE COAX CABLES OR ETHERNET CABLES ARE SECURE or CABLE OR SAT IS DOWN TEMPORARILY
-Be sure to check the ones where the CABLE or SAT come into your home.
-Be sure ALL Ethernet and Coax cables are secure.
-Call your CABLE or SAT provider to see if there is an outage.
-Realign your Dish if you have SATELLITE.

May 10, 2017 | Televison & Video

1 Answer

White screen on television/no picture


White screen on TV means that no digital signal is coming from:
1: inputs or
2: TV signal

Generally the problem comes from the wires on the back of the LCD/LED is disconnected. But can also mean the the digital output board has failed or is damaged. If you cannot get the digital setup menu on the screen you will have to have the board replaced at a shop. One thing you can try is to Plug in TV while holding the power button. Sometimes that will do a factory reset. You did not indicate Brand or Model and cannot provide any more tips.

Nov 27, 2013 | Televison & Video

1 Answer

My kdl55nx810 screen is blinking. While watching TV, the screen will go black for about 2 seconds, then come back on. It appears to happen intermittenly, every 15, 30, or 60 seconds. TV was working fine,...


This problems,it can't be repair.The tv Tuner signal board is problems and the the causes.The tv Tuner signal board have intermittent problems.That the board,where the tv incomming signal cable plug into it.Tv is still useable wright?Use it the tv as is.Or only way to repair it is to do a replacement of the whole tv Tuner signal board to fix this problems.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish tv Tuner signal board for the replacement.

Mar 15, 2011 | Sony Kdl-55hx701 54.6 in. HDTV LCD TV

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The TV turns on but cannot find a signal (as has been normal when swictching to HDMI inputs). Usually it takes a second and the Cable or FIOS signal shows on screen. As of today, the images never comes...


Tries tv and cables boxes uplug,replug it back like about an hour later for the tv resetting itself back to the factory setting and those pay boxes updated it softwares.Take the HDMI cable plug it in into another tv HDMI hub.Tv should have signal and work again.

Feb 17, 2011 | InFocus ScreenPlay 61" Rear Projection...

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The LED vizio comes on the front of the tv...........screen is blue with floating signal saying No Signal!.


Tries unplug the tv and the cable or satalite boxes too.Replug it all back like an hour later.The tv know will reset itself back to the factory setting.The cables or satalites boxes it upgrading it softwares.The tv should have incomming broadcasting signal and work now.Not,call the cables or satalites compannies to replaced those inputs boxes first,have the same problems with those new input cables or satalites boxes.Than the tv,the Tuner signal board have problems and the cause.That the board,where the incomming broadcasting signal cable plug into it.That the tv Tuner signal board.Tries websites Shopjimmy.com,Ebay.com to buy a whloe refurbish Tuner signal board for the replacement.

Nov 07, 2010 | Vizio VX32LHDTV10A 32 in. LCD HDTV

1 Answer

Apex LD3249 LCD tv.picture jumps


The tv Tuner board,that where the coalax broscast signal come in is dead.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish Tuner signal board for the replacement.

Jul 06, 2010 | Apex Digital LD3249 LCD TV

1 Answer

Tv does not stay on, screen goes black


Checked all connection given properly checked your cable connection some time cable connection not proper than also its display no signal

Jan 23, 2010 | Westinghouse SK-32H240S Television

1 Answer

Vizio TV with "No Signal" floating on screen


Tries take out the HDMI cable and replug it back in the HDMI socket.Unplug the Directv power plug and replug,press the off/on botton on again to reboot the signal.Should be every back to normal.

Sep 29, 2009 | Televison & Video

1 Answer

I'm house and pet sitting at a friends' house who have a large screen Vizio TV and DirecTV. Right now, the TV is set on HDMI, but there's a floating message on a black screen: ''No Signal!'' This...


You need to make sure that is has enough signal, if you have poor signal, you will get pixels(as oppesed to snowy picture on CRT televisions) make sure all plugs are plugged in correct, and try diff inputs from DirecTV to the Tv to ensure its not the HDMI input thats faulty. Good Luck.

Sep 26, 2009 | Vizio GV42L 42 in. LCD Television

1 Answer

TOSHIBA FLAT SCREEN TV has black screen but power light is on!?


Try resetting the TV by leaving it unplugged for an hour.
Plug it back in and check to see if it works normally.
If that doesn't work, rule out the Directv box by pressing the reset button near the access card. The box could be putting out a signal that doesn't have video or audio.
If everything fails, have the tech man come back to check everything that he did before you use the warranty on the TV.

Feb 20, 2009 | Toshiba 40RV525U 40 in. LCD TV

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