Manual image setup

Table 3-2.Troubleshooting

Problem		Possible cause		Suggested action	Reference

The power		The video signal cable		Be sure the video cable is	"Connecting and
indicator is		is loose or		connected with the	turning on your
amber, but there		disconnected from the		system properly.	monitor"on page 1-5
is no image.		system or monitor.

		The monitor		Adjust the brightness and	"Adjusting your
		brightness and		contrast setting on the	monitor image"on
		contrast are at the		OSD menu.	page 2-3
		lowest setting.

One or more of		This is a characteristic		If there are more than five	Appendix A."Service
the pixels appear		of the LCD		pixels missing, contact	and Support"on page
discolored.		technology and is not		the Support Center.	A-1
		an LCD defect.

•	Fuzzy lines	•	Image setup has	Adjust the resolution	"Adjusting your
	in text or a		not been	settings on your system	monitor image"on
	blurry		optimized.	to match the native	page 2-3
	image.	•	Your system	resolution for this
•	Horizontal	•	Your system	monitor: 1680 x 1050 at 60
			Display	monitor: 1680 x 1050 at 60
			Display	Hz.
	or vertical		Properties setting	Hz.
	lines		have not been	Perform automatic image	"Selecting a
	through the		optimized.	setup. If automatic image	supported display
	image.			setup does not help,	mode"on page 2-7
				perform manual image
				setup.

				When working in the	See the Advanced
				native resolution, you	section of your
				may find additional	system’s display
				improvements by	properties.
				adjusting the Dots Per
				Inch (DPI) setting on your
				system.

If automatic image setup does not establish the image that you prefer, perform manual image setup.

Note: Have your monitor powered on for about 15 minutes, until the monitor warms up.

1.Press at the bottom of the monitor to open the OSD menu.

2.Use or to select and press to access.

3.Use or to select manual and press to access.

4.Use or to select Clock and Phase adjustment.

•Clock (pixel frequency) adjusts the number of pixels scanned by one horizontal sweep. If the frequency is not correct, the screen shows vertical stripes and the picture does not have the correct width.

•Phase adjusts the phase of the pixel clock signal. With a wrong phase adjustment, the picture has horizontal disturbances in light picture.

5.When the image no longer looks distorted, save the Clock and Phase adjustments.

6.Press to leave the OSD menu.

Chapter 3. 3-4

2572MB1 specifications

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Lenovo 2572MB1 manual Manual image setup

Models: 2572MB1

Problem

Manual image setup

2572MB1 specifications