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
green, but there		disconnected from the		system properly.	monitor” on page 1-3
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,
the pixels appear		of the LCD		pixels missing, contact	“Service and
discolored		technology and is not		the Support Center.	Support,” on page
		an LCD defect.			A-1

•	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	“Manual image
		•	Your system	monitor: 1680 x 1050 at 60
•	Horizontal		Display	monitor: 1680 x 1050 at 60
•	Horizontal		Display	Hz.	setup”
	or vertical		Properties setting	Hz.	setup”
	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 2-6
				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 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.

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

5. Press

to leave the OSD menu.

3-4D221 Wide Flat Panel Monitor User’s Guide

D221 specifications

The Lenovo D221 is a versatile and robust desktop solution designed to cater to various use cases, from everyday computing tasks to more demanding business applications. This model exemplifies Lenovo's commitment to delivering reliable performance and innovative features tailored to meet the needs of both professionals and casual users alike.

One of the standout features of the Lenovo D221 is its processing power. It is equipped with the latest generation of Intel processors, ensuring smooth performance and efficient multitasking capabilities. With options ranging from Intel Core i3 to i7, users can choose a configuration that matches their needs—whether it’s for handling office applications, conducting data analysis, or running resource-intensive software.

The D221 comes with ample memory options, supporting up to 16GB of RAM. This allows for seamless switching between applications and enhances overall productivity. Additionally, the desktop is equipped with a variety of storage options, including HDD and SSD configurations. The inclusion of SSD provides faster data access and improved boot times, which is crucial for professionals who rely on quick system responsiveness.

Another noteworthy characteristic of the Lenovo D221 is its extensive connectivity options. The desktop features multiple USB ports, HDMI output, and Ethernet connectivity, promoting easy integration into existing work environments. This ensures that users can connect their devices and peripherals without hassle—a significant advantage for those who use various tools and peripherals for their tasks.

Lenovo places a strong emphasis on security as well. The D221 is designed with built-in security features such as Trusted Platform Module (TPM) support, which helps protect sensitive information through encryption. This peace of mind is essential for businesses that manage confidential data.

The chassis design is both functional and aesthetically pleasing, with a compact footprint that makes it suitable for small office spaces or home workstations. The thermal management system integrated into the D221 ensures that it operates efficiently while minimizing noise, allowing for a more pleasant user experience.

In conclusion, the Lenovo D221 combines powerful performance, extensive connectivity, and robust security features, making it a reliable choice for various users. Its flexibility and performance make it an excellent investment for anyone looking for a capable desktop solution for work or personal use.

Table 3-2.Troubleshooting

Problem