Dell E2214Hv Monitor China Only - Manual (Page 41)

Operating the Monitor
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41
OSD 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.
You will see the following message before the DDC/CI function is
disabled.