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Help I have a blue screen that says no signal and none of the channels seem to come in so i cant get my cable.  it was working fine an hour ago

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How to connect hd cable box to tv

Posted on Sep 23, 2008


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  • 109 Answers

Check the cable connection, if that;s verifiable than your digital board is bad.

Posted on Apr 03, 2008

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My vizio is blinking back and forth from the blue no signal screen to the actual hdmi input screen which is connected to a cable box. What is going on?


Have you tried a different HDMI input? (If available.) You may be able to test the cable box of PS4 using component cables to confirm that all but the HDMI is not working. You may try pushing or holding the HDMI cables to see if you can make the problem better or worse to identify a possible flakey HDMI socket.

Jan 03, 2015 | Vizio 26 Class Edge Lit Razor LED LCD HDTV...

3 Answers

My brand new flat screen haier tv 39'' is flashing white then red green then blue and black screens how do i fix


Try to disconnect the set and a box if being used from power for a while and then power both back as either could cause this problem.

Dec 15, 2012 | Haier Flat Panel Televisions

1 Answer

Hi we have lost all channels of our hisence tv just blue screen saying no signal please help had channels yesterday


Nothing to worry, You change to AV mode to TV mode and wise verse,
If nothing happen then call the service center, It only two months old.

Jul 23, 2012 | Hisense LCD1504 15 in. Television

1 Answer

I inherited a Sharp LCD 32" flat screen TV that's only about 2.5 years old. It worked fine at its previous location. Upon bringing it to my house, I've tried disconnecting the cable from my TV &...


Try going into your setup menu. Look for a setting for "Cable/Air". Try switching it to Cable and then doing a channel search. If you are using a cable box try setting channel to 3 on tv. Those are the two easiest things I can think of off the top of my head without seeing it.

Jul 09, 2010 | Sharp LC-32SB21U 32 in. LCD TV

1 Answer

Screen remains blue with "no signal" written on it, inspite of a cable connection and, of course, the input set to cable


Probably a bad video processor board

But, 1st try using a different type of Cable such as IRC, STD, or HRC different freqs and channels

Also, try using a vcr or dvd on one of the inputs to see if that works

Jonathan

Oct 26, 2008 | Polaroid FLM-3732 Television

2 Answers

Nothig bu a blue screen shows when turned on


Blue screen of Death?
No, this is not windoze.

can you change channels?
a blue screen usually means that you don't have a signal.
Is it hooked up through dvd/vcr player?

Try a straight connection to cable or antenna.

If it remains, then it requires surgery.

Sep 30, 2008 | LG 42LC2D 42 in. LCD HDTV

5 Answers

37" Polaroid LCD TV No signal appears when select channel


I was having same problem, and think I got lucky and found fix.

Try unplugging the TV and waiting 30 seconds, then plug back in.

You will likely get blue screen with "No Signal".

Go to Menu, then scroll down to "Setup". Select "Factory Reset" then hit "Yes."

This did it for me. Wish you all luck.

Feb 21, 2008 | Polaroid FLM-3734B 37 in. LCD HDTV

1 Answer

Humm coming from speakers - can't get cable to work


The RF input is the correct one for a cable signal. The other sources use the RCA and other ports which you can connect to other devices, like DVD or VCR players.

If the humm noise only happens when you're on the TV channel then it's likely just the station. Try changing the channel and see if that helps, and make sure the coax is screwed in all the way. Also make sure the other end, if connected to a VCR or other stuff, is tightly attached. If you share cable with many other people and the signal has snow (white spots on the TV), then you may need to buy an RF signal amplifier to reduce the noise.

Source changes the input (RCA versus coaxial versus component inputs), change the channel for different channels..

Jan 31, 2008 | Akai LCT2701AD Television

3 Answers

Viewpia lcd


click menu, on station prog go to EDIT. Press blue button twice, then go to rescan prog. (it seems to clear all previous scanned programs and starts again.

Oct 26, 2007 | Flat Panel Televisions

1 Answer

"No Signal" floating notice on Blue Screen - No other picture


If all connections and the tuner have the same issue, you either have a power supply issue or a bad digital board.

Mar 29, 2007 | Sampo PME-42S6 42 in. HD-Ready Plasma...

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