LG 37LM3400 - User Manual

Questions and Answers

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jennifer58Aug 9, 2025
What to do if my LG 37LM3400 LCD TV has no image and sound?
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  Heather BarrettAug 9, 2025
  If your LG LCD TV isn't displaying an image and there's no sound, first ensure the TV is powered on. Next, verify that the power cord is securely connected to a working wall outlet. You can test the outlet by plugging in another device to see if it functions correctly.
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Robert HernandezAug 14, 2025
Why is my LG LCD TV remote not working?
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  Jamie GonzalezAug 15, 2025
  If you cannot control your LG LCD TV with the remote, make sure there are no obstructions between the remote and the TV's sensor. Also, check that the batteries in the remote are correctly installed and still have power.
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Victoria YoderAug 19, 2025
How to fix an LG LCD TV remote that is not working?
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  pamelahernandezAug 20, 2025
  If you're unable to control your LG LCD TV with the remote, start by checking the remote control sensor on the TV and try again. Make sure there are no obstructions between the remote and the TV. Also, ensure the batteries in the remote are working and correctly installed.
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Jennifer McguireAug 25, 2025
How to fix my LG 37LM3400 LCD TV that turns off by itself?
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  sonyaclarkAug 25, 2025
  If your LG LCD TV is turning off suddenly, examine the power control settings to ensure the power supply isn't being interrupted. Also, check the 'Auto sleep' feature in the Time settings to see if it's enabled. Note that the TV will automatically turn off after 15 minutes of inactivity if there is no signal.
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Mr. Daniel Owen IIIAug 29, 2025
What to do if LG 37LM3400 says 'No signal' when connected to PC?
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  Christopher LevineAug 29, 2025
  If your LG LCD TV displays 'No signal' or 'Invalid Format' when connected to a PC via RGB/HDMI DVI, try turning the TV off and then on again using the remote. If that doesn't work, try reconnecting the RGB/HDMI cable. As another option, restart your PC while the TV is powered on.
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kspenceSep 3, 2025
Why does my LG 37LM3400 LCD TV turn off by itself?
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  April MillerSep 4, 2025
  If your LG LCD TV is turning off unexpectedly, you should first check the power control settings to ensure the power supply isn't being interrupted. Also, verify that the Auto sleep feature is not enabled within the Time settings. Lastly, be aware that if the TV doesn't receive a signal for 15 minutes while it's on, it will automatically shut off.