Dell U2410, 320-8277 manual VGA/DVI-D/HDMI/DisplayPort input Video Input

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or

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 fr addressable by this monitor. Recommended mode is 1920 X 1200.

When monitor enters Power Save mode, the following message appears :

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or

Activate the computer and wake up the monitor to gain access to the OSD.

If you Touch any button other than the power button one of the following messages will appear depending on the selected input:

VGA/DVI-D/HDMI/DisplayPort input

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or

Video Input