Dell UltraSharp 38" 1600p Curved Monitor - Manual (Page 76)

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Operating the monitor
OSD warning message
When the monitor does not support a particular resolution mode, you will see the
following message:
This means that the monitor cannot synchronize with the signal that it is receiving
from the computer. See
Monitor specifications for the Horizontal and Vertical
frequency ranges addressable by this monitor. The recommended mode is 3840 x
1600 .
NOTE: The message may be slightly different according to the
connected input signal.
Factory Reset Restore all preset values to the factory default
settings. These are also the settings for ENERGY
STAR
®
tests.