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		“Selecting a
of Range" are	display mode which	old monitor, reconnect it		supported display
shown on the	is not supported by	and adjust the display		mode” on page 2-6
screen, and the	the monitor.	mode to within the
power indicator		specified range for your
is flashing green.		new monitor.
		If using a Windows
		system, restart 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	Be sure the signal cable is		“Connecting and
quality is	is not connected with	firmly plugged into the		turning on your
unnacceptable.	the monitor or system	system and monitor.		monitor” on page 1-3
	completely.

	The color settings	Select another color		“Adjusting your
	may be incorrect.	setting from the OSD		monitor image” on
		menu.		page 2-3

	The automatic image	Perform automatic image		“Adjusting your
	setup function was	setup.		monitor image” on
	not performed.			page 2-3

The power	• The monitor’s	• Be sure the power		“Connecting and
indictator is not	power switch is		cord is connected	turning on your
lit and there is	not switched on.		properly.	monitor” on page 1-3
no image.	• The power cord is	• Be sure the outlet has
	• The power cord is	• Be sure the outlet has
	loose or		power.
	disconnected.	•	Power on the
		•	Power on the
	• There is no power		monitor.
	at the outlet.	•	Try using another
		•	Try using another
			power cord.
		•	Try using another
			electrical outlet.

Screen is blank	The monitor is in	• Press any key on the		“Understanding
and power	Standby/Suspend		keyboard or move	power management”
indicator is	mode		the mouse to restore	on page 2-7
steady amber or			operation.
flashing green		•	Check the Power
		•	Check the Power
			Options settings on
			your computer.

Chapter 3. 3-3

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.