•If you are using an Enhanced Performance USB keyboard and one or more of the Rapid Access buttons are the only keys that are not working, these buttons might have been disabled or have not been assigned to a function. Use the help system in the Enhanced Performance Customization Keyboard program to help diagnose problems with the Rapid Access buttons.

•On the Windows Vista operating system, do the following:

1.Click Start ➙ Control Panel.

2.Click Hardware and Sound.

3.In the Keyboard topic, click Check keyboard status.

4.Click Properties for keyboard details and to see if the keyboard is working properly or not.

•On the Windows 7 operating system, do the following:

1.Click Start ➙ Control Panel.

2.Click Hardware and Sound.

3.Click Devices and Printers.

4.Double-click USB Enhanced Performance Keyboard. The USB Enhanced Performance Keyboard Customization program starts.

If these actions do not correct the problem, have the computer and keyboard serviced. See Chapter 11 “Getting information, help, and service” on page 111 for details.

The mouse or pointing device does not work

Symptom: The mouse or pointing device does not work.

Actions:

•Verify that the mouse or pointing-device cable is securely attached to the correct connector on the computer. Depending on the type of mouse you have, the mouse cable will connect to either the mouse, serial, or USB connector. Some keyboards have integrated USB connectors that can be used for a USB mouse or pointing device.

•Verify that the device drivers for the mouse or pointing device are installed correctly.

•If you are using a USB keyboard or mouse, verify that the USB connectors are enabled in the BIOS settings. See “Enabling or disabling a device” on page 79.

If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 109 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 111.

The pointer on the screen does not move smoothly with the mouse

Symptom: The pointer on the screen does not move smoothly with the mouse.

Action: Erratic movement of the mouse pointer is generally caused by a buildup of dirt, oils, and other contaminants on the ball inside the mouse. Clean the mouse. See “Optical mouse” on page 87 for instructions.

The fingerprint reader does not work

Symptom: The fingerprint reader does not work.

Action: The following could cause the fingerprint reader not to operate properly:

•Not enrolling your fingerprint correctly.

•Scratching the surface of the reader with a hard, pointed object.

98ThinkCentre User Guide

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Lenovo 4554, 4471, 4466 Mouse or pointing device does not work, Pointer on the screen does not move smoothly with the mouse
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4485, 4514, 4480, 4471, 4496 specifications

Lenovo's ThinkPad series has long been synonymous with durability, performance, and enterprise-grade features, and the models 4474, 4473, 4477, 4468, and 4466 are no exception. Each of these models brings distinct characteristics and technologies tailored to meet the diverse needs of users ranging from casual consumers to business professionals.

The Lenovo 4474 model excels in portability and performance. Featuring a lightweight chassis, it is designed to be carried easily for on-the-go professionals. It is equipped with Intel’s latest processors, ensuring quick response times and efficient multitasking capabilities. The display, often a Full HD resolution, enhances the multimedia experience, making it suitable for presentations and video playback.

The Lenovo 4473 model stands out with its robust security features. It comes with a fingerprint reader and an integrated Trusted Platform Module (TPM) to provide an added layer of security for sensitive information. This focus on security makes it an excellent choice for businesses that prioritize data protection and compliance with various regulations.

The 4477 model is recognized for its exceptional battery life. With energy-efficient components and optimized power management technologies, users can expect extended productivity without the need for frequent charging. This model is perfect for users who need to work remotely or in environments where power sources are not readily available.

For those seeking a balance between versatility and performance, the Lenovo 4468 model is an appealing choice. This model supports a wide range of connectivity options, including USB-C, HDMI, and Ethernet ports, catering to various peripheral needs. Additionally, it typically features an ergonomic keyboard and a responsive touchpad, enhancing the user experience for long typing sessions.

Lastly, the Lenovo 4466 brings innovation in terms of display technology. With options for touchscreens and high-resolution displays, this model caters to creative professionals who require precise color accuracy and vivid graphics. It offers a solid performance for design tasks, video editing, and even gaming, making it a versatile option for different scenarios.

In summary, Lenovo’s models 4474, 4473, 4477, 4468, and 4466 are tailored to address specific user needs, whether it be portability, security, battery life, connectivity, or display technology. These ThinkPad series laptops continue to exemplify Lenovo's commitment to quality and innovation in the computing space.
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