Dell 4210X manual Problem

Problem (continued)	Possible Solution (continued)
Partial, scrolling, or	1	Press the Auto Adjust button on the remote
incorrectly displayed image		control or the control panel.
	2	If you are using a Dell™ portable computer,
		set the resolution of the computer to XGA
		(1024 x 768):
		a Right-click the unused portion of your
		Microsoft® Windows® desktop, click
		Properties and then select Settings tab.
		b Verify that the setting is 1024 x 768 pixels
		for the external monitor port.
		c Press	(Fn+F8).
	If you experience difficulty in changing
	resolutions or your monitor freezes, restart all
	the equipment and the projector.
	If you are not using a Dell™ portable
	computer, see your documentation. The
	output signal from the computer may not be
	according to industry standards. Should this
	happen, upgrade the video driver of the
	computer. For a Dell computer, see
	support.dell.com.
The screen does not display	If you are using a portable computer, press
your presentation		(Fn+F8).
Image is unstable or flickering	Adjust the tracking in the OSD Display sub-
	menu (in PC Mode only).
Image has vertical flickering	Adjust the frequency in the OSD Display sub-
bar	menu (in PC Mode only).
Image color is incorrect	• If the display receives the wrong signal
		output from the graphics card, please set the
		signal type to RGB in the OSD Display tab.
	• Use Test Pattern in the Others menu.
		Ensure that the colors of the test pattern are
		correct.
Image is out of focus	1 Adjust the focus ring on the projector lens.
	2 Ensure that the projection screen is within
		the required distance from the projector
		(3.94 ft [1.2 m] to 32.81 ft [10 m]).

Troubleshooting Your Projector

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