Lenovo 5047HC2 manual 2. Troubleshooting, Problem, Possible cause, Suggested action, Reference

Troubleshooting

If you have a problem setting up or using your monitor, you might be able to solve it yourself. Before calling your dealer or Lenovo, try the suggested actions that are appropriate to your problem.

Table 3-2. Troubleshooting

Problem	Possible cause		Suggested action		Reference
The words "Out	The system is set to a		.	If you are replacing an old monitor,	"Selecting a
of Range" are	display mode which is			reconnect it and adjust the display	supported
shown on the	not supported by the			mode to within the specified range	display
screen, and the	monitor.		.	for your new monitor.	mode" on
power indicator				If using a Windows system, restart	page 2-6
is flashing green.				the system in safe mode, then select
				a supported display mode for your
			.	computer.
				If these options do not work,
				contact the Support Center.
The image	The video signal cable is		Be sure the signal cable is firmly		"Connecting
quality is	not connected with the		plugged into the system and monitor.		and turning
unacceptable.	monitor or system				on your
	completely.				monitor" on
					Page 1-4
	The color settings may		Select another color setting from the		"Adjusting
	be incorrect.		OSD menu.		your monitor
					image" on
					page 2-3
	The automatic image		Perform automatic image setup.		"Adjusting
	setup function was not				your monitor
	performed.				image"" on
					page 2-3
The power	.	The monitors power	. Be sure the power cord is connected		"Connecting
indicator is not		switch is not switched		properly.	and turning
lit and there is		on.	. Be sure the outlet has power.		on your
no image.	.	The power cord is	.	Power on the monitor.	monitor" on
		loose or	.	Try using another power cord.	Page 1-4
	.	disconnected.	.	Try using another electrical outlet.
		There is no power at
		the outlet.

Chapter 3. Reference information 3-3