Dell E1914H Monitor - Manual (Page 44)

OSD Messages
When the monitor does not support a particular resolution mode you will
see the following message:
E1914H:
The current input timing is not supported by the monitor display. Please
change your input timing to 1366x768，60Hz or any other monitor
listed timing as per the monitor specifications.
Dell E1914H
E2014H:
The current input timing is not supported by the monitor display. Please
change your input timing to 1600x900, 60Hz or any other monitor
listed timing as per the monitor specifications.
Dell E2014H
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 1366 x 768 (for E1914H) or 1600 x 900 (for
E2014H).
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Operating the Monitor