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roberthallSep 9, 2025
How to turn off 'Key Lock On' message on LG Monitor?
- TTamara DixonSep 10, 2025
To release the key lock on your LG Monitor when the 'Key Lock On' message appears, go to the Menu, then Option, and disable the Key Lock option.
How to turn off 'Key Lock On' message on LG Monitor?
To release the key lock on your LG Monitor when the 'Key Lock On' message appears, go to the Menu, then Option, and disable the Key Lock option.
How to fix 'Unknown Product' message on LG Monitor?
Install the product driver provided with the monitor or download it from the LG website. Also, check if the plug&play function is supported by referring to the video card user manual.
Why isn't my LG Monitor operating normally?
Check if the sleep timer is set. Also, verify the power control settings and ensure there hasn't been a power interruption.
General| Panel life | 60000 h |
|---|---|
| Pixel pitch | - mm |
| Touchscreen | - |
| Response time | 12 ms |
| Display diagonal | 42 \ |
| Display brightness | 700 cd/m² |
| Display technology | LED |
| Native aspect ratio | 16:9 |
| Contrast ratio (dynamic) | 500000:1 |
| Contrast ratio (typical) | 1300:1 |
| Display number of colors | 16.78 million colors |
| DVI-D ports quantity | 1 |
| DVI-I ports quantity | 0 |
| Ethernet LAN data rates | 10, 100, 1000 Mbit/s |
| Product color | Black |
| Product design | Digital signage flat panel |
| Panel mounting interface | 400 x 400 mm |
| TV tuner integrated | No |
| Sustainability certificates | ENERGY STAR |
| RMS rated power | 10 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (sleep) | - W |
| Power consumption (standby) | 0.5 W |
| Power consumption (typical) | 115 W |
| Operating temperature (T-T) | 10 - 40 °C |
| Operating relative humidity (H-H) | 10 - 80 % |
Weight and Dimensions| Depth | 33 mm |
|---|---|
| Width | 1071.8 mm |
| Height | 617.2 mm |
| Weight | 13698 g |
Lists and describes included accessories like remote, cables, and CD.
Guidelines and precautions for mounting the monitor on a wall.
Details on anchoring the product to a wall for safety.
Identifies buttons and their basic functions on the remote.
Explains power, input selection, volume, and aspect ratio controls.
Details menu access, navigation, and special function buttons.
Guide on connecting the monitor to a computer.
Guide on connecting using RGB, DVI-D, HDMI, and DisplayPort cables.
Instructions for selecting image modes and customizing picture options.
Customizing PC display options and selecting sound modes.
Customizing sound options and adjusting aspect ratio.
How to navigate and access the main menu options.
Lists available picture settings like aspect ratio and energy saving.
Details picture modes, resolution, and screen adjustments.
Explains audio settings, sound modes, and speaker options.
How to set clock, timers, and power management features.
Overview of connecting various external devices like HD receivers, PCs, and speakers.
How to connect devices using HDMI and Component cables.
Troubleshooting DVI cable connections and no image display problems.
Troubleshooting for screen position, lines, noise, and key lock.
Troubleshooting for audio function issues and screen color abnormalities.
