Question about Samsung LN-S4092D 40 in. LCD HDTV

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Tv saying weak or no signal

Changing channels and the screen went blank it is saing weak or no signal

Posted by Anonymous on

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: weak or no signal message

  1. Since my problem (Samsung/Comcast) began with a channel selection button pushed on the TV remote when it should have been pushed on the cable remote, I figured the problem lay with the TV.  Although I was getting the "weak or no signal" msg., the actual signal strength bar graphic showed it to be strong. Disconnecting did no good. I surmised that the TV was simply not recognizing the box.
  2. I looked at the manual for my Samsung 750 model. 
  3. Page 20 discussed "Selecting the source". I accessed the TV menu and selected "Input", then chose the "HD..." item from the highlighted list. Voila! My tv works again. 

Posted on Nov 18, 2008

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SOURCE: digital - Weak or no signal digital coax when hdmi dvd player on

if u have placed your DVD next to your tv ... just maintain distance between then and check out

Posted on Apr 01, 2009

tvservice306
  • 458 Answers

SOURCE: Samsung LCD TV ''Weak or No Signal''

try swicth cable box for testing....if sam problem..need replaced tv main board

Posted on Jan 01, 2010

Testimonial: "Thanks for the info! Very helpful!"

  • 1 Answer

SOURCE: The screen is snowy like we're not on the correct

I called Direct TV and they helped me solve the problem. Thank you for responding.

Posted on Feb 08, 2010

alexander404
  • 276 Answers

SOURCE: SAMSUNG UE32B6000 have problem with

If you just have over-the-air signals from local broadcast stations, you need a good VHF/UHF antenna connected to the RF input jack on the TV in order to get reception. If you have access to cable TV or satellite, you need to connect the box or receiver set-top-box to the TV using a HDMI cable. You need to select on the TV using the remote, (press the MENU button) setup for tuning channels. Do a scan after setting to AIR or CABLE so the TV picks up all available channels you can get. Once this is done you can change channels and see TV. If you reply back with specifics, I can help more...

Posted on Mar 29, 2011

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1 Answer

Lost signal


You have changed channels and now it's on the air. If your box is providing a signal on the 3rd or 4th channel you have to get back to those.

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SAMSUNG UE32B6000 have problem with conecting ,it say weak signal,or no signal just blank screen, where do i start,


If you just have over-the-air signals from local broadcast stations, you need a good VHF/UHF antenna connected to the RF input jack on the TV in order to get reception. If you have access to cable TV or satellite, you need to connect the box or receiver set-top-box to the TV using a HDMI cable. You need to select on the TV using the remote, (press the MENU button) setup for tuning channels. Do a scan after setting to AIR or CABLE so the TV picks up all available channels you can get. Once this is done you can change channels and see TV. If you reply back with specifics, I can help more...

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Try changing the batteries in your remote. If the batteries are weak they may not be sending strong enough signals to the TV thus sending different signals than you meant.

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probably the signal is weak, test your in the good tested antenna, If your the signal is still the same, the Tuner side of the TV should check.

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Are you getting a snowy picture, If so, you`re still on analogue. If you are on a digital channel with say no signal, you should get a blank screen with either a message saying no signal or a dot on the screen. Ian

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I recently changed from Cable to Direct Tv now when I change channels the screen goes blank for 15-30 seconds before the actual show begins. the picture is fine but there is a delay when changing channels


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.

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Weak signal is a weak signal, so not sure what if anything you can do. Buy a satellite subscription???

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Usually the blue screen is an indication that the video signal to the TV is not present. Most of the new TV's have a video input selection button on the TV and on the remote; try changing the video input selection.

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