Dell UltraSharp 38" 1600p Curved Monitor - Manual (Page 92)

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Troubleshooting
Wrong color Picture color not
good • Change the settings of the Preset
Modes in the Color menu OSD
depending on the application.
• Adjust the Gain / Offset / Hue /
Saturation values under Custom
Color in Color menu OSD.
• Change the Input Color Format to
RGB or YCbCr/YPbPr in the Color
settings OSD.
• Run the built-in diagnostics.
Image retention
from a static
image left on the
monitor for a long
period of time Faint shadow
from the static
image displayed
appears on the
screen • Set the screen to turn off after a few
minutes of screen idle time. These can
be adjusted in Windows Power
Options or Mac Energy Saver setting.
• Alternatively, use a dynamically
changing screensaver.
Picture quality
(Refresh rate of
native resolution
changes from
60 Hz to 30 Hz;
or color depth
drops to 18 bits) Issues of incorrect
refresh rate or
missing colors Set USB-C Prioritization to High
Resolution .