What to do if my LG LN54 turns off suddenly?
If your LG LED TV turns off suddenly, check the power control settings, as the power supply may be interrupted. Also, verify if the Auto sleep feature is activated in the Time settings.
What to do if my LG LN54 has no image and sound?
If your LG LED TV has no image and produces no sound, ensure that the TV is turned on. Check if the power cord is properly connected to a wall outlet. To be sure, test the wall outlet by connecting other products to see if it works.
Why is my LG LN54 LED TV remote control not working?
If you cannot control your LG LED TV with the remote control, first check the remote control sensor on the TV and try again. Then, make sure there are no obstacles between the remote control and the TV. Finally, check if the batteries in the remote are working and properly installed.
What to do if my LG LN54 LED TV displays ‘No signal’ or ‘Invalid Format’ when connecting to PC?
If your LG LED TV displays ‘No signal’ or ‘Invalid Format’ when connecting to the PC (RGB/HDMI DVI), try turning the TV off and on using the remote control. If that doesn't work, reconnect the RGB/HDMI cable. As a last resort, restart the PC while the TV is on.
Information on Dolby Digital Plus licensing from Dolby Laboratories.
Details on HDMI terms, trademarks, and licensing.
Information on DivX video format and DivX Certified device licensing.
How to obtain source code under various open source licenses.
Instructions to open the package and verify all included accessories.
Check product box for items, contact dealer for missing accessories.
Step-by-step instructions for attaching the TV stand securely.
Instructions to fix the TV to a table to prevent tilting and damage.
Information on installing and using the Kensington security system.
Instructions for attaching an optional wall mount bracket to a solid wall.
Connect the TV to a wall antenna socket with an RF cable.
Connect the TV to a satellite dish to a satellite socket.
Connect an external device to the TV using a DVI-HDMI cable for video and audio.
Connect an external device to the TV with a component cable for analog signals.
Connect an external device to the TV using the euro scart cable.
View encrypted TV services in digital TV mode using a CI module.
Transmit digital audio signal from TV to an external device via optical cable.
Transmit headphone signal from TV to an external device via headphone jack.
Connect the TV to a network via LAN port for wired communication.
Connect the TV to a network via Wireless Dongle for wireless communication.
Connect the TV to a LED Clock via the CLOCK port for time display.
Instructions on how to replace batteries in the remote control.
Instructions for cleaning the TV screen, frame, cabinet, and stand carefully.
Instructions for removing dust and dirt from the TV power cord.
Solutions for issues where the TV cannot be controlled by the remote.
Solutions for problems with no image display or sound production.
Solutions for when the TV unexpectedly turns off.
Solutions for 'No signal' or 'Invalid Format' when connecting a PC.
Important notes and precautions for using the EzSign 2.0 TV function.
General specifications including dimensions, weight, and power for various models.
Supported resolutions and frequencies for PC connections.
Supported resolutions and frequencies for DTV connections via HDMI/DVI.
Information on component port connections and signal mapping.
Hexadecimal codes for various remote control functions.
Guides RS-232C setup, wiring, and configurations for external control.
Details the D-Sub 9-Pin Male connector type and pin assignments.
Explains how to set the Set ID for external device control.
A list of commands, data, and functions for external control.
Details OK and Error acknowledgement formats for communication.
Details the command for controlling the TV's power state.
Details the command for adjusting the screen aspect ratio.
Details the command for controlling screen mute functionality.
Details the command for controlling volume mute functionality.
Details the command for adjusting the TV's volume.
Details the command for adjusting the TV's contrast.
Details the command for adjusting the TV's brightness.
Details the command for adjusting the TV's colour.
Details the command for adjusting the TV's tint.
Details the command for adjusting the TV's sharpness.
Details the command for selecting OSD on/off.
Details the command for locking front panel controls.
Details the command for adjusting the TV's treble.
Details the command for adjusting the TV's bass.
Details the command for adjusting the TV's audio balance.
Details the command for adjusting colour temperature.
Details the command for reducing TV power consumption.
Details the command for auto-adjusting picture position.
Details the command for tuning to a specific channel number.
Details the command for setting programme skip status.
Details the command for sending IR remote key codes.
Details the command for controlling the TV's back light.
Details the command for selecting the main picture input source.
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