Why does my LG LB67 LED TV make noise?
- DDarlene ChenSep 23, 2025
A change in ambient humidity or temperature may result in an unusual noise when your LG LED TV turns on or off. This is normal, and there is no problem with your product.

Why does my LG LB67 LED TV make noise?
A change in ambient humidity or temperature may result in an unusual noise when your LG LED TV turns on or off. This is normal, and there is no problem with your product.
What to do if my LG LB67 has no picture and sound?
If your LG LED TV shows no image and produces no sound, first ensure the TV is turned on. Next, check if the power cord is properly connected to a working wall outlet. To verify the outlet, connect another device to it and see if it functions correctly.
What to do if my LG LB67 has no image and sound?
If your LG LED TV shows no image and produces no sound, first verify that the TV is powered on. Next, ensure 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 works.
Why does my LG LED TV keep turning off?
If your LG LED TV turns off suddenly, here are a few things to check: * The power supply might be interrupted. Check the power control settings. * Ensure that the Automatic Standby, Sleep Timer, or Timer Power Off functions are not activated in the Timers settings. * If the TV is on but not receiving a signal, it will automatically turn off after 15 minutes of inactivity.
What to do if my LG LB67 LED TV has no picture or sound?
If your LG LED TV has no image and no sound, please check the following: * Ensure that the TV is turned on. * Verify that the power cord is securely connected to a wall outlet. * Test the wall outlet by plugging in other products to see if it is working correctly.
Why is there no sound on my LG LB67 but there is an image?
If your LG LED TV displays images but produces no sound, first, press the + or - button to adjust the volume. Then, check if the sound is muted by pressing the MUTE button. Try switching to other channels, as there may be a problem with the broadcast. Finally, ensure that the audio cables are connected properly.
What to do if the LG TV remote control is not working?
If you can't control your LG TV with the remote, first check the remote control sensor on the TV and try again. Also, make sure there are no obstacles blocking the path between the remote and the TV. Finally, verify that the batteries in the remote are working and properly installed.
How to fix an LG TV that turns off by itself?
If your LG TV is turning off suddenly, examine the power control settings to ensure the power supply isn't being interrupted. Also, check the Timers settings to see if Automatic Standby, Sleep Timer, or Timer Power Off is activated. Note that the TV will automatically turn off after 15 minutes of inactivity if there is no signal.
What to do if my LG TV says ‘No signal’ or ‘Invalid Format’ when connecting to PC?
If you see a ‘No signal’ or ‘Invalid Format’ message when connecting your PC to your LG TV via HDMI or DVI, try turning the TV off and then on again using the remote control. If that doesn't work, try reconnecting the HDMI cable. As a final step, restart your PC while the TV is turned on.
How to fix LG LB67 LED TV remote not working?
If your LG LED TV remote isn't working, first ensure there are no obstructions between the remote and the TV. Then, check the remote control sensor on the TV. Finally, verify that the batteries are correctly installed ( to , to ) and have sufficient charge.
Details on supported licenses for the product.
Information and source code availability for open source licenses used.
Information on setting up external control devices for the TV.
Important warnings for safe TV placement, handling, and electrical safety.
Guidelines for safe 3D content viewing, including health warnings and age restrictions.
Steps for unboxing, accessory checks, and basic TV setup.
Description of TV parts, buttons, joystick usage, and safe lifting/moving.
Instructions for attaching the stand, table mounting, and wall mounting options.
Instructions for tidying cables and using the built-in camera.
Guide to connecting external devices like players, PCs, and game consoles.
Instructions for connecting antennas, satellite dishes, and using HDMI for audio/video.
Guide to connecting devices using DVI-HDMI, Component, and Composite cables.
Details on MHL, audio outputs, USB devices, CI modules, headphones, and Scart.
Introduction to the remote, battery replacement, and general usage guidelines.
Explanation of key buttons like TV/RAD, INPUT, SETTINGS, GUIDE, and FAV.
Details on navigation, OK, BACK, EXIT, AD, REC/*, and colored buttons.
Overview, setup, battery care, and initial pairing for the Magic Remote.
Guide to using buttons, pointer, voice recognition, and other advanced features.
How to find detailed TV information via the remote control's User Guide feature.
Procedures for cleaning the TV screen, frame, and power cord safely.
Guide to resolving issues like remote failure, no image/sound, and power interruptions.
Technical details for the TV's wireless LAN and Bluetooth modules.
Detailed specifications including dimensions, weight, and power for various TV models.
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