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Lg tv has a no signal notice but not the cable

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David Spradling

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Check input connections make sure going to in and check input or source

Posted on Jan 18, 2020

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kklare

Kenneth Klare

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SOURCE: my LG tv shows no signal with hdmi cable to hp

First you need to state Mac G5 model and MacOS 10.?,? and whether the connection is VGA or mini-DVI. (I'm at 10.5.8.) I would not be helped by LG model other than to know if it is HD 1080 or 720. I'm going to assume you have MacOS 10.4 or later but most should apply. Apple>>About This Mac>>More info...>>Hardware>>Graphics/Display and read more about the display. Digital connection will give you more info. Close the Info but even with VGA you should be able to go to Apple>>System Preferences...>>Displays and have 2 windows--1 for the built-in and 1 for the external. If the latter is off screen, press Gather Windows. On the external display Turn on Show Displays in Menu Bar. This will let you control Mirroring and Resolution. You will need to pick a resolution your TV can do 1920x1080 1280x720 or possibly less to get started. My MacBook has all of those. I usually do not use mirroring and 1920x1080 gives a good pixel match to my DLP. On the external, turn on overscan if you need to put the menu bar on the screen or off if showing maximum of photos. You need to sync first, then play with other things. -Ken

Posted on Aug 20, 2009

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Why does my LG tv seems like it need to warm up before it will accept HDMI signal?


Sounds like a capacitor fault. They can be intermittent when cold, but will work okay when warm. Eventually though they will fail.

This is your advance notice to get the set either repaired by the manufacturer or a local TV shop.

Sep 06, 2014 | LG 42LG50 42 in. LCD HDTV

1 Answer

How do i get my cable to work on my lg tv? what is the correct setting should be on my input screen?


When you connect properly your cable TV signal cable to the TV's cable port, then you can select the Cable TV source from the Input Source button from the TV remote.

Jul 23, 2014 | LG 42LG50 42 in. LCD HDTV

1 Answer

No signal from hdmi for LG TV (lg47lm7600).


Looking around I find that LG is known for this type of break. Unplug TV for 30-45 min, plug back in. The key is to discharge TV by doing so. I would bet that this is a design flaw or hardware anomaly. If this is the case, buy another TV and expect to get 4 years max out of it... Crappy manufacturing and design is most likely the culprit.

May 07, 2014 | LG 47LM7600 47" 3-D LED TV

1 Answer

Can't get hdmi signal from comcast dvr to LG smart tv


the type of cable you use is important. i work for dish network and i have seen cables go bad. also tv's hdmi imputs go bad as well. i would call a technitian out to look at the system, have him try a new hdmi cable and in different ports to make it work. it may be there reciever or your tv.

Mar 05, 2013 | LG 55LM6700

1 Answer

What do i need to attatch lg model# lh40 or 1080p to ny computer?


U have a VGA signal cable right there out of ur computer LCD monitor used that.Used a VGA signal cable connected to ur computer and than to ur tv VGA input than find the tv input like in 1,2,3,4 find the computer VGA signal that it.If u have new and a recent computers like a DUO CORE processor 2 or 3 it have a HDMI cable hub design in this computers.Just used a HDMI cable connected between the computer and tv to for work the best in HD.

May 09, 2011 | LG Televison & Video

1 Answer

After a couple of weeks of having our LG 55LE5400, multiple channels will freeze for a second or two, multiple times during the day. We have noticed it more and more each day. Is there something that can...


Does this same problem exist if you're playing back a DVD?

If not, it sounds like a problem with your cable/satellite signal.
Recommend contacting your provider.

Mar 25, 2011 | LG 55LE5400 TV

2 Answers

Hello I received a lg flatron plasma MZ42PZ14 and just wanted to connect the tv cable to the tv, but i can't find any coax on the tv. what can i do?


This kind of tv u must have cable or satalite tvs pay broadcasting signal cable,so u have a box .Tv have HDMI ports or RCA AV component cable input?The incomming broadcating tv signal go to the cable or satalite boxes.Than u use a HDMI cable or RCA AV component cable go through those boxes than to ur tv HDMI input ports or RCA AV component cable input holes.

Jan 22, 2011 | LG MZ-42PZ14 42 in. Plasma Television

1 Answer

My lg tv (had since Nov) says no signal for the tv or dvd player. How do I fix this?


Try unplugging all inputs and the power cord from the TV for 5 minutes. This will allow the main board to reset.
Next, just plug in the power plug to the TV, power up the TV, and even though there is not a source connected to the TV, check at least three inputs and see what the TV will report on the screen for each input.
Next, turn off the TV, plug in all known working devices (Cable/Antenna, DVD, Blu-Ray, Cable/Satellite box, Game, ….) with a known working cables to the TV, make sure all the devices connected to the TV are powered up and on, and now power on the TV.
Now check to see if the TV is seeing valid signal for all the inputs connected to the TV.
If your TV cannot see any signal at any of its inputs (HDMI1, HMDI2, HDMI3, AVI1, AVI2, Component1, ……), then the main board has failed and need to be replaced.
Good Luck.

May 21, 2010 | LG 32LG40 32 in. LCD HDTV

1 Answer

Screen suddenly went to complete snow no video or audio


Well the LG tv is not getting the cable signal.Unplug the cable box about an hour.Replug the box let the software to upgrade the cable box.The LG tv should get the signal back as normal.Not,than the LG tv Tuner board have problems it dead.Tries Websites like Shopjimmy.com,Ebay.com to buy a refurbish Tuner board for the replacement.

Apr 21, 2010 | LG 32LG30 32 in. LCD HDTV

1 Answer

LG TV flat 29 stops accepting signals from remote after sun set


It doesnt sound like a TV issue. I would try on another TV and see if it still happens! If it does then its the cable. And the cable service need to come out at 6:55pm and you need to show them the problem so they know what your talking about!
Good Luck!

Sep 15, 2009 | LG 32LB9D TV

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