Dell U2422H 23.8" 16:9 IPS Monitor - Manual (Page 74)

74
│
Operating the Monitor
OSD Warning Messages
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. Recommended mode is 1920 x 1080.
NOTE: The message may be slightly different according to the
connected input signal.
You will see the following message before the DDC/CI function is disabled: