LG 34UC97 Owner's Manual page 29

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Check if the video card's resolution or frequency is within the range allowed by the monitor and set it to
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the recommended (optimal) resolution in Control Panel > Display > settings.
Not setting the video card to the recommended (optimal) resolution may result in blurred text, a dimmed
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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 reso-
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lutions may not be available depending on the performance of the video card. If this is the case, contact
the manufacturer of the computer or video card for assistance.
Some video cards may not support 3440 x 1440 resolution. If the resolution cannot be displayed, con-
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tact the manufacturer of your video card.
The display color is abnormal.
Does the display appear discol-
ored (16 colors)?
Does the display color appear
unstable or monochrome?
Are there spots on the screen?
no sound from the headphone port.
Are images displayed using
DP (DisplayPort) or HDMI input
without sound?
Set the color to 24 bit (true color) or higher. In Windows, go to Con-
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trol Panel > Display > Settings > Color Quality.
Check if the signal cable is connected properly. Reconnect the cable
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or reinsert the PC's video card.
When using the monitor, pixilated spots (red, green, blue, white, or
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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.
Make sure that the headphone port connections are made properly.
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Try increasing the volume with the joystick.
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Set the audio output of the PC to the monitor you are using. On
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Microsoft Windows, go to Control Panel > Hardware and Sound >
Sound > set the monitor as default device.
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