What to do if nothing is displayed on my LG Monitor screen?
If nothing is displayed on the screen, verify that the power cord is correctly plugged into the power outlet. Also, check the signal cable between the PC and the monitor, and reconnect it if necessary. If Settings -> General -> DP OUT is On, execute Settings -> General -> Reset to Initial Settings. It may be a PC that does not support DP OUT (MST).
What to do if my LG Monitor displays an 'Out of Range' message?
The 'Out of Range' message appears when signals from the PC (graphics card) are outside the monitor's supported frequency range. To resolve this, consult the Product Specification section of this manual to set the appropriate frequency.
How to fix no sound on my LG 27BQ75QC-B.AAU?
First, check that the headphone port connections are properly made. If the connections are correct, try increasing the volume using the appropriate button. Also, ensure that the audio output of your PC is set to the monitor you are currently using. Note that the settings may vary depending on your operating system.
Why are images displayed without sound on my LG 27BQ75QC-B.AAU?
If images are displayed without sound, first ensure that the headphone port connections are properly made. Then, try increasing the volume using the button. Finally, set the audio output of the PC to the monitor you are using. Note that the exact settings may vary depending on your operating system.
What to do if the screen display is unstable and shaky on my LG 27BQ75QC-B.AAU Monitor?
If your screen display is unstable and shaky, or if images leave shadow trails, it might be due to the resolution being set to HDMI 1080i 60/50 Hz (interlaced). Try changing the resolution to 1080p or the recommended resolution. Also, ensure that the graphics card is set to the recommended (optimal) resolution. Setting methods may vary depending on the computer or operating system, and some resolutions may not be available depending on the performance of the graphics card. If this is the case, contact the manufacturer of the computer or graphics card for assistance.
Why is my LG Monitor screen display unstable and shaky?
If the selected resolution is HDMI 1080i 60/50 Hz (interlaced), the screen may flicker. Change the resolution to 1080p or the recommended resolution. Not setting the graphics card to the recommended (optimal) resolution may result in blurred text, a dimmed screen, a truncated display area or misalignment of the display. The setting methods may be different depending on the computer or operating system, and some resolutions may not be available depending on the performance of the graphics card.
What to do if some functions are not available when pressing the Menu button on my LG 27BQ75QC-B.AAU Monitor?
If some functions are unavailable when you press the Menu button, the OSD might be locked. To unlock it, disable OSD Lock in General settings.
What to do if my LG Monitor shows 'Unrecognized monitor, Plug and Play (VESA DDC) monitor found'?
If you see an 'Unrecognized monitor, Plug and Play (VESA DDC) monitor found' message, install the display driver from the LG website. Also, verify that your graphics card supports the Plug and Play function.
Why does image sticking occur even when my LG Monitor is turned off?
Displaying a still image for a prolonged time may cause damage to the screen. To extend the lifetime of the monitor, use a screensaver.
Why are there spots on the screen of my LG Monitor?
When using the monitor, pixilated spots (red, green, blue, white, or black) may appear on the screen. This is normal for an LCD screen. It is not an error, nor is it related to the monitor's performance.
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