LG UltraWide 49WQ95C-W 49" Dual QHD HDR 144 Hz Curved Monitor - Manual (Page 22)

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Do you see an "Unrecognized monitor, Plug and Play (VESa DDC) monitor found" message?
• Have you installed the display driver?
- Be sure to install the display driver from our web site: http://www.lg.com .
- Make sure to check if the graphics card supports Plug and Play function.
No sound from the headphone port.
• Are images displayed without sound?
- Make sure that the headphone port connections are made properly.
- Try increasing the volume with the joystick.
- Set the audio output of the PC to the monitor you are using. (The settings may differ depending on the operating system (OS) you use.)