LG 75XE3C-B - User Manual

Questions and Answers

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gutierrezamberAug 18, 2025
How to fix no image on LG Digital Signage?
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  Jennifer JacksonAug 18, 2025
  If your LG Digital Signage displays no image, first ensure the power cord is securely plugged into the power outlet. Also, check the signal cable and press the INPUT menu on the remote control to verify the input signal is correctly selected. If the signal from your PC's graphics card is out of the product's vertical or horizontal frequency range, adjust the frequency range according to the specifications in the manual.
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Tiffany GlennAug 20, 2025
Why does the screen image look abnormal on my LG 75XE3C-B?
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  mrichardsonAug 21, 2025
  If the screen image on your LG Digital Signage appears abnormal, verify that the graphics card resolution and frequency are supported by the product. If the frequency is out of range, set the resolution to the recommended settings via the [Control Panel] ? [Display] ? [Setting] menu. Also, ensure that the correct input signal is connected to the appropriate signal port.
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Logan GardnerAug 23, 2025
What to do if audio function does not work on LG 75XE3C-B?
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  Sheila BradshawAug 23, 2025
  If the audio on your LG Digital Signage isn't working, check that the audio cable is properly connected. Ensure the volume is adjusted appropriately and that the sound settings are correctly configured. You may also want to try selecting an appropriate equalizer sound setting.
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justin52Aug 26, 2025
How to fix abnormal screen color on LG 75XE3C-B?
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  monicajordanAug 26, 2025
  If the screen color on your LG Digital Signage is abnormal, set the number of colors to more than 24 bits (true color) via [Control Panel] ? [Display] ? [Settings] ? [Color Table] in Windows. Also, check the connection status of the signal cable. Note that several pixels (red, green, blue, white, or black color) may appear on the screen due to the unique characteristics of the LCD panel, which is not a malfunction.
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Denise WebbAug 27, 2025
What to do if after-image appears on LG Digital Signage?
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  Andrea LunaAug 27, 2025
  If an after-image appears on your LG Digital Signage, and you've been using a fixed image for a long time, the pixels may be damaged. To prevent this, use the screen-saver function. Image sticking can also occur when a dark image is displayed after an image with high contrast (black and white or gray).
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Ashley ReidAug 29, 2025
What to do if 'Unknown Product' message appears on LG 75XE3C-B?
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  Kristen VaughanAug 30, 2025
  If the 'Unknown Product' message appears when your LG Digital Signage is connected, check if the Plug and Play function is supported by referring to the graphics card user manual.
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amanda04Sep 1, 2025
What to do if no image is displayed on my LG 75XE3C-B?
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  Haley StephensSep 1, 2025
  If no image appears on your LG Digital Signage, first, make sure the power cord is properly connected to the power outlet. Then, check the signal cable and press the INPUT menu on the remote to verify the input signal. If the signal from the PC is out of the vertical or horizontal frequency range, adjust the frequency range by referring to the specifications in this manual.
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Marcus CooperSep 3, 2025
Why does my LG Digital Signage screen color look abnormal?
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  Mark PalmerSep 4, 2025
  If the screen color on your LG Digital Signage appears abnormal, ensure the number of colors is set to more than 24 bits (true color) via [Control Panel] ? [Display] ? [Settings] ? [Color Table] in Windows. Also, check the connection status of the signal cable. Note that some color variations are normal characteristics of LCD panels and not a malfunction.
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Erik HarrisSep 6, 2025
Why does the audio function not work on my LG 75XE3C-B Digital Signage?
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  Katherine GriffithSep 6, 2025
  If the audio function isn't working on your LG Digital Signage, check if the audio cable is properly connected. Adjust the volume and ensure the sound is set correctly. You may also want to select an appropriate equalizer sound and re-adjust the volume.
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Anthony WilliamsonSep 8, 2025
What to do if the screen image looks abnormal on my LG 75XE3C-B?
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  Patricia BarnettSep 8, 2025
  If the screen image looks abnormal on your LG Digital Signage, check if the graphics card resolution and frequency are supported. If the frequency is out of range, set to the recommended resolution in the [Control Panel] ? [Display] ? [Setting] menu. Also, ensure you connect the signal cable that matches the source input signal.