Question about LG 42LG50 42 in. LCD HDTV

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Remote not recognized by TV. Brand new model.

Remote not recognized by TV. Brand new model. Batteries are in correct and remote lights up but does not work with TV

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  • neal36 Apr 16, 2009

    Exact same problem. TV is about 3-4 months old. Replaced remote batteries, and TV just isn't recognizing it.

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  • 87 Answers

An easy way to tell if the remote is bad or not and I know this sounds funny. Put the remote next to a small am radio tuned off a station if you hear a pulse when you press the buttons on remote it is ok 95 % of the time. If this set is new just simply call LG or get an authorized service center to replace IR sensor in TV.

Posted on Apr 12, 2009

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Posted on Jan 02, 2017

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I got a replacement remote for the TV but it doesn't work on the TV. How do I get it to function with the TV


When you say "Replacement" you do not say if you bought an "Original type" replacement or one of those Universal ones which may or may not have the correct codes for the TV in question. Not all Universals have ALL POSSIBLE CODES.
You have two options.
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2. If it is OK in that regard, get an original brand replacement Remote Control.
You can buy a Remote Control tester or you can take it to a TV technician who can check for you if the Remote is working.
Be sure to double check that you are using NEW batteries and that they are put into the remote with battery polarity as marked. You would be amazed how many times I have found that the problem was caused by persons putting batteries in the wrong way round !
Because of the shape of the ends of them, with some rechargeable batteries it is not so immediately obvious at to which is + and which is - unless you look very closely at the battery markings.

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I have this item and the batteries are brand new and installed the correct way. It just does not work.


You can test to see if your remote is actually putiing out signal, just point the remote at the digital camera, you should see flashing light on your camera screen when you push any buttons on the remote, if you do see the light, then the problem will be in the remote receiver in the TV itself.

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1. replace with fresh alkyline batteries.
2. If you have fluorescent lights, they will interfere with the remote.
3. Turn OFF lights, remote will work. Turn ON lights, the remote may not work well.

The "code" depends on the Remote brand/model.
Different maufacturers of remote control units don't use the same code numbers (there is no standard remote code for any TV).

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You need to isolate the problem.
1) Unplug the set for a few seconds then plug it in.
2) Operate the TV with the control/buttons on the TV. (Channels etc)
If the TV operates correctly then do the following.
3) Try operating with the remote unit. If the problem returns then it's the remote failing.

Sometime remotes can be reset.
Try this;
Step 1- Pull the batteries out of the remote and leave them out until Step 4.
Step 2- Press and release each and every button one at a time on the remote control until every button has been pressed and released at least once!
Step 3- If your remote has slide switches, you must move the switch to each position then repeat the button pushing in Step 2.
(When you're done, be sure to put the slide switch in the correct position to operate the unit the remote came with!)
Step 4- Put the batteries back into the remote, being very careful to install them correctly.
New batteries should be used if you're not sure about the old ones.

Try it again. If the problem is still there then the remote is bad.
Since this is a new TV you should use your warranty to replace any bad parts.

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