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 75.

If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 101 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 105.

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 83 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.

Scraping the surface of the reader with your nail or anything hard.

Using or touching the reader with a dirty finger.

The surface of your finger is very different from when you enrolled your fingerprint.

The wireless keyboard does not work

Symptom: The wireless keyboard does not work.

Action: If the Transceiver Communications LED is on and the wireless Keyboard does not work, restart your computer. If restarting your computer does not solve the problem, verify that the following conditions are met:

The batteries are properly installed.

The batteries still retain their current.

The wireless Keyboard is located less than ten meters away from the transceiver.

The transceiver is fully installed.

Action: If the Transceiver Communications LED is not on, reconnect the transceiver and the keyboard.

Monitor problems

Note: Many monitors have status-indicator lights and built-in controls for adjusting brightness, contrast, width, height, and other picture adjustments. However, the controls vary from monitor type to monitor type.

92ThinkCentre User Guide

Page 104
Image 104
Lenovo 2209, 2224, 2226, 2208 Monitor problems, Mouse or pointing device does not work, Fingerprint reader does not work

2002, 2208, 2010, 2209, 2221 specifications

The Lenovo 2226, 1996, 2224, 1997, and 2227 models represent a significant evolution in Lenovo's lineup of personal computers and laptops, primarily during the late 1990s and early 2000s. Each model brought unique features and technological advancements, catering to different segments of the consumer and business markets.

The Lenovo 2226, for instance, was designed with a focus on performance and versatility. It was equipped with Intel Pentium processors, offering users the necessary power for both productivity tasks and multimedia applications. The machine supported additional RAM expansion, enhancing its multitasking capabilities. The inclusion of a high-resolution display made it attractive for users who engaged in graphic design or video editing.

Moving on to the Lenovo 1996, this model was particularly geared towards small businesses and educational institutions. It came with a more affordable price point without compromising essential features. The device included a robust suite of software for productivity and education, along with enhanced security features to protect sensitive information. It also offered a range of connectivity options including Ethernet and serial ports, facilitating seamless integration within existing network infrastructures.

The Lenovo 2224, known for its ergonomic design, placed a strong emphasis on user comfort. This model featured an adjustable keyboard height and a lightweight frame, making it ideal for long hours of use. It also boasted an extended battery life, making it suitable for professionals who were always on the go. The display technology included anti-glare options, reducing eye strain during extended use.

In 1997, Lenovo launched the 2227 model, which represented a more advanced iteration with upgraded hardware. It featured faster graphics processing units (GPUs) and higher storage capacities, allowing professionals to handle more demanding applications. With its emphasis on portability, the 2227 came with enhanced wireless capabilities, ensuring users could stay connected without the hassle of wires.

Finally, the Lenovo 2226 model was significant for its focus on multimedia capabilities. It integrated superior audio and video components, making it an exceptional choice for entertainment enthusiasts. The incorporation of DVD drives and enhanced sound systems allowed users to enjoy movies and music with remarkable clarity.

In summary, the Lenovo 2226, 1996, 2224, 1997, and 2227 showcased the brand's commitment to innovation, performance, and user-centric design. Each model catered to specific user needs, making Lenovo a versatile contender in the competitive PC market of the late 90s and early 2000s.