Why do black spots appear on the screen of my LG Monitor?
If black spots appear on the screen of your LG Monitor, this may be due to several pixels (red, green, white, or black color) which is attributable to the unique characteristics of the LCD panel and is not a malfunction.
Why is there no sound coming from my LG Monitor?
If there is no sound coming from your LG Monitor, ensure the audio cable is connected properly. Also, adjust the volume and verify that the sound settings are configured correctly.
Why does the screen image look abnormal on my LG Monitor?
If the screen image on your LG Monitor looks abnormal when using a D-Sub analog signal, press the "AUTO" button on the remote control to automatically select the optimal screen status. If the adjustment is not satisfactory, select [PICTURE] - [Screen] - [Position], [Size] or [Phase] in the OSD menu. Also, verify that the video card resolution and frequency are supported by the product. If the frequency is out of range, set it to the recommended resolution in the Control Panel "Display" Setting menu. Ensure the proper input signal is connected to the signal port by using a matching signal cable.
Why does my LG Monitor's power suddenly turn off?
If your LG Monitor suddenly turned off, check if the sleep timer is set. Also, examine the power control settings and ensure there were no power interruptions.
Why is the screen color unstable on my LG Monitor?
If the screen color on your LG Monitor is unstable or mono-colored, check the connection status of the signal cable. You can also try re-inserting the PC video card.
How to fix rotated touch coordinates on LG 47LT55A?
If touch coordinates appear to be rotated 90 degrees (Windows XP) on your LG Digital Signage, change the Screen Rotation setting with LG TDS.
Why does 'Unknown Product' appear on my LG 47LT55A?
If the 'Unknown Product' message appears when your LG Digital Signage is connected, see if the plug&play function is supported by referring to the video card user manual.
How to correct touch input on the wrong monitor with LG Digital Signage?
If a touch is applied to a monitor other than the one you intended with your LG Digital Signage, change your tablet PC settings (Windows 7). For Windows XP, set the monitor as the default monitor.
How to fix abnormal screen image on LG Digital Signage?
If the screen image looks abnormal on your LG Digital Signage, and you are using a D-Sub analog signal, press the "AUTO" button on the remote control to automatically select the optimal screen status. If adjustment is not satisfactory, select [PICTURE] - [Screen] - [Position] in the OSD menu. Ensure the video card resolution and frequency are supported by the product, setting to the recommended resolution in the Control Panel "Display" Setting menu if necessary. You can also try adjusting the screen size and phase in the OSD menu under [PICTURE] - [Screen]. Finally, ensure the proper input signal is connected to the signal port.
How to fix the audio on my LG 47LT55A Digital Signage?
If the audio function on your LG Digital Signage does not work, check if the audio cable is connected properly. Also, ensure that the volume is appropriately adjusted and the sound settings are correctly configured.
General| Brand | LG |
|---|---|
| Model | 47LT55A |
| Category | Digital Signage |
| Language | English |
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