Question about Olevia 237T 37 in. LCD TV

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My tv has the blue light on, but says "no signal" what is the problem?

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Is the input selector is set for different input?

Posted on May 23, 2011

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2 Answers

"NO SIGNAL "is displayed on a blue screen


You have selected an input on the display that is not getting any signal that the display can recognize. Press the source button either on the set or on the remote until you get a signal.

Aug 09, 2012 | Element Electronics FLX-1910 19 in. LCD...

1 Answer

When tv is turned on, screen shows white w/ blue logo, then shows "VGA" and "no signal" on a blue screen. After a minute it turns off. We cannot get a picture. We have a Time Warner...


Right now the TV is set to accept the video signal from PC through the VGA port so when it does not see the video signal from the VGA port, the TV will go into shutdown or standby mode. You need to change the input to be where the cable box is connected to using INPUT or SOURCE button on the remote.
What kind of connection are you using to make the connection between the TV and the cable box?
Please clarify. Make and model of the TV?

Basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Aug 19, 2011 | Televison & Video

1 Answer

Vizio TV with Blue Screen says, "Aucun Signal!"


Guys aucun signal just means no signal in french

Mar 01, 2011 | Vizio L37 Television

1 Answer

I've connected my new Sony Blue-Ray Disk Player to my RCA F25645 TV via the three (Red, White, Yellow) composite cables but the screen only says "unusable signal" and will not display the Blue...


The output from the blu-ray is probably component video, where the brightness, blue and red difference signals are the three outputs. Sounds like the TV only has composite video input so won't work. Check the manuals, if you can get a composite signal from the blu-ray then your TV will display it but not high definition. A HD LCD or plasma TV is needed to show the blu-ray films in high definition.

Jan 02, 2011 | RCA F25645 25" TV

1 Answer

Have purchased new 37" toshiba.


Check the lead from the lounge to the bedroom is connected correctly. The blue screen means no signal.

Jan 01, 2011 | GRY Viore RPT50V24DHD 50" HDTV DLP TV

1 Answer

My xbox360 turns on but nothing comes on screen. no red lights either. if i change input on tv and then change back it says my tv doesn't "recognize signal type from output device". everything...


check these things


1>> ur blue ray dvd by inserting in other xbox

2>> for futher details contact me

3>> without having technical knowledge you can fix many problem


to do so kindly download the Repair Guide


to Download Click Here

Dec 02, 2010 | Microsoft Xbox 360 Console

1 Answer

I have a Polaroid FLM-373B 37 " tv and I get a blue screen with "No Signal" in the top corner. Cant seem to get it to find a cable signal, dvd signal or anything. I have successfully...


That situation clearly indicates that no signal is coming to the set in its present setting. Have you checked to make sure that the tv's input is set on the right input setting. Mine always defaults to "Antenna" which drives me nuts cause I get that big blue screen with "no signal". It seems to do that at the slightest provocation, too. After 5 years, I still have to think twice before checking it. If that is not it, make sure that the cables are plugged in. If that doesn't fix it try another type of input such as HDMI or S video, composite, etc - one that you are not using. Don't forget to switch the input to it. Good luck!

Nov 06, 2010 | Polaroid FLM-3732 Television

1 Answer

Screen has gone to blue screen.....


OK A Blue screen, indicate that there is, or the TV "Thinks" there is NO SIGNAL. Please Check your Antenna Connection. Unplug the TV, for 5 mins or so. You MUST prove either the TV or it's "Signal Source" the Antenna. Try the antenna on another TV, if possible, try another antenna,on the TV, Try feeding in a signal via the EXTERNAL inputs. IF ALL Inputs are proved OK, and the TV, still will NOT display any signal, then it would appear that you may have a "Tuner" fault, or some other underlying condition, that affects the reception. In my professional opinion, in that case is to get the unit looked at by a Toshiba, recommended service center, VERY IMPORTANT to do that. Ask for a "Quote" from that service center, and go from there.

Apr 16, 2010 | Toshiba 37AV500U 37 in. LCD TV

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