Dell E2209WFP Monitor - Manual (Page 23)

Activate the computer and wake up the monitor to gain access to the OSD
If either VGA or DVI-D input is selected and both VGA and DVI-D cables are not connected, a floating dialog box as shown below appears.
or
OSD Warning Messages
One of the following warning messages may appear on the screen indicating that the monitor is out of synchronization.
or
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 1680 X 1050.
You will see the following message before the DDC/CI function is disabled.
When monitor enters Power Save mode, the following message appears :
See Solving Problems for more information.
Setting the Optimal Resolution
To set the optimal resolution for the monitor:
1. Right-click on the desktop and select Properties.
2. Select the Settings tab.
3. Set the screen resolution to 1680 x 1050.
4. Click OK.