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LG 37LF75 LCD SOUND NO PICTURE SOMETIMES CAN GET INPUT TO COME UP AND GET IT ON HDMI ONCE YOU PRESS OK AFTER 2SECONDS SCREEN GOES BLACK

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I have a LG 37LF75 that the picture has stretched hoizontally eg; wording at left or right of the screen is slightly off screen in all ratio settings. How do I adjust the picture horizontally?

Posted on Nov 12, 2010

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Posted on Jan 02, 2017

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LED screen comes on and goes black


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Dec 09, 2015 | LG 47LS4500

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Monitor goes black - green light stays on


My screen is black, why do I not have a picture?
Answer Antenna is not hooked up to television.
  • Make sure that the antenna cable is correctly connected to the television. If it doesn't work there appears to be no signal.
Problem is caused by television broadcast
  1. Push 'INFO' button.
  2. If the screen shows channel number (1, 2, 3, etc) try another channel. Not all channels broadcast at all times.
  3. You may have a signal problem. Contact cable provider or local broadcaster regarding the specific channel.
Television is in EXT or SIDE mode, and there is no external source provided, so screen mute (black screen) is activated.
  1. Push NEXT SOURCE button on the remote.
  2. On the screen appears all sorces.
  3. Press the UP button to switch to the TV mode.
If you are using an accessory device (DVD, DVR, or VCR), be sure the device is on and running.
Blank screen when connecting to the accessory (DVD, STB, PC) device via HDMI to HDMI.

Answer
  • Make sure the cable is well connected .
  • To check which connection is selected, Press the i+ button on the remote control.
  1. When you see Blue mute / blank screen and the i+ display does not indicate any video resolution indication then there is no valid signal detected.
    • Make sure the HDMI output of the accessory is valid by changing the video output resolution to a resolution which the TV can handle.
  2. When you see a blank screen and the i+ display shows a video resolution indication then the connection is correct.
    • The blank screen is caused by the accessory device and not by the TV.
    • To detect and remedy the problem caused by the accessory device, check the instruction manual of this device.
  3. If the problem remains : reselect the HDMI external source input by changing to the other HDMI input and back to the connected HDMI :
    1. Press AV on the remote
    2. Press up and then ok
    3. Press AV again
    4. Press down and ok
    5. The compatibility check process between TV and accessory device will start over again.
  4. Reset (switch off and back on) the TV and also reset the accessory device.

Mar 05, 2008 | Philips 42PF9630A 42 in. Plasma Television

1 Answer

Vertical black and white bars on lcd screen


I'm not too familiar with the LG brand, but if the onscreen stuff looks fine (Volume, menus, etc.) then the panel is OK. Try a picture source other than the one you are using now (Tuner, HDMI, VGA, etc.)

1) If it's the same across all of them, then you will need to replace the main board in the TV.

2a) If it only affects one input, it could either be your video source that is bad (which means TV is OK), or
2b) that certain input port on TV is bad, which would mean you either don't use that input any more, or you replace the main board in the TV.

Sep 15, 2012 | LG M208WA 20 in. LCD TV

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No picture, only sound on LG 47LV5500: how do I get picture back?


Definitely odd for sound to come through and not sound, especially via an HDMI connection.

I would contact LG for support, your TV could be defective.

Good luck

May 28, 2012 | LG 47 47LV5500 47 LCD TV

1 Answer

My LG E2250V-PN turns on and my Macbook goes to a blue screen, indicating that it is picking up a signal, but then nothing happens. My Mac screen never shows on my LG. Also, even if i try to press the menu...


Hi sophie,

I see you want to extend you monito to an LG external monitor.

Have you tried selecting the input PC or the input that is for the cable that you are using for the Video.

If you are using HDMI select the Input HDMI on your LG if you are using DVI then you should select the input DVI to be able to get the signal from the Laptop come out of your LG.

I hope this helps.

Have a nice day,

mvincentc

Jun 25, 2011 | LG E2250V-PN 21"LCD Monitor

3 Answers

47LG70 - PICTURE WENT OUT. STILL HAVE SOUND. HEARD A POPPING NOISE WHEN PICTURE WENT. TV IS ONLY 1 1/2 YEARS OLD. ANY IDEAS WHAT MAY OF HAPPENED.


I have had the same problem off and on with my 47LG70 for months. When the "popping" noise happens, the blue light in the corner stays on, so I know the tv is still on (sometimes I still have sound, sometimes I don't). Sometimes the screen goes black, but other times it is blue. If I turn the tv off then on again, it might stay on for seconds, minutes or hours. It's been very frustrating.

This seemed to happen right after I got my new Comcast box, which came with an HDMI 1.3 cable. I read somewhere online that this tv might not be compatible with that cable, so I unplugged it and am using component cables again. I just did this today, so I don't know if it will work, but so far the tv has been on for 30 minutes with no problems.

I'm pretty ignorant about HDMI compared to component cables. I imagine I will not get as good a picture with the component cables, but I am willing to sacrifice quality if I can just get the darn thing to work. Mine is also only 18 months old.

Hope this helps. If it doesn't, maybe someone else out there can help us both.

Sep 21, 2010 | LG 47LG70 42 in. LCD TV

2 Answers

Lg 42lb1dr tv cuts off no picture or sound. gray screen.


There are 4 capacitors on the power supply board that need to be replace. They are in the same area, same color, look for bulged caps.

Jul 15, 2009 | LG 42LC2D 42 in. LCD HDTV

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No picture or response - LG LCD TV


Hi, I have the exact same problem. I was wondering if you could tell me how you fixed it? Mine is only 2 hours old from the box

Jun 03, 2009 | LG 42LG30 42 in. LCD HDTV

2 Answers

JVC LT-32DS75SJ issue with HDMI


Try this

1. Turn ON TV
2. Connect PS3 to TV HDMI input
3. select TV HDMI input for PS3
4. turn OFF PS3 if it is ON
5. Press and hold the [I/O]Power button until the PS3 until you get the "HDMI Detected" message.

Also, this TV has a circuit that deactivates the HDMI if the rear cover is removed. It is possible the HDMI may have been turned OFF. This is reset in the service menu of the TV.

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