Elo TouchSystems 1725L Series manual Problem, Suggestions, No image appears on screen

Problem	Suggestion(s)
No image appears on screen.	Check that the video cable and power connectors are
	properly connected as described in Chapter 2.
	Make sure the pins of the connectors are not crooked or
	broken.
	Check that power switch of the touchmonitor has been
	pressed and LED on the front of touchmonitor is lit.
	Test the power supply by trying different cables, or a
	different wall outlet or plug another appliance into the
	outlet.
	Make certain the video cable is properly connected and that
	it is not damaged. Check for bent pins on the cable
	connectors.
	Ensure that your computer and video card are properly
	configured (consult video card documentation) and the
	video card is firmly seated in the card slot of the computer
	motherboard.
Partial image or incorrectly displayed	Check whether the resolution of your computer is higher
image	than that of the LCD touchmonitor.
	Check that the video cable from the monitor has been
	securely and correctly connected to the video connector at
	the rear of the computer.
	Reconfigure the resolution of your computer to make it less
	than or equal to 1280 x 1024. See Appendix A for more
	information on resolution.
Image is unstable and flickering	Use the Auto Tracking function to make an adjustment. See
	Chapter 3 for more information.
	Check and reconfigure the touchmonitor mode of the
	vertical refresh rate of your graphic card to make it
	compatible with the LCD touchmonitor.
Image is scrolling	Make sure the VGA signal cable (or adapter) is well
	connected.
	Check and reconfigure the display mode of the vertical
	refresh rate of your graphic card to make it compatible with
	the LCD touchmonitor.
Touch does not work	Make sure the touchscreen cable is securely connected at
	both ends.

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