•Ensure that a DVD disc is in the drive with the shiny side of the disc facing down.

•Ensure that video resolution is set to less than 1152 x 864.

•On computers that have a CD-ROM or CD-RW drive in addition to a DVD-ROM drive, make sure that the DVD disc is in the drive labeled “DVD”.

If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 108 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 111.

Intermittent problems

Symptom: A problem occurs only occasionally and is difficult to repeat.

Actions:

•Verify that all cables and cords are securely connected to the computer and attached devices.

•Verify that when the computer is on, the fan grill is not blocked (there is air flow around the grill), and the fans are working. If airflow is blocked or the fans are not working, the computer might overheat.

•If SCSI devices are installed, verify that the last external device in each SCSI chain is terminated correctly. (See your SCSI documentation.)

If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 108 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 111.

Keyboard, mouse, or pointing device problems

Select your symptom from the following list:

•“All or some keys on the keyboard do not work” on page 97

•“The mouse or pointing device does not work” on page 98

•“The pointer on the screen does not move smoothly with the mouse” on page 98

•“The fingerprint reader does not work” on page 98

•“The wireless keyboard does not work” on page 98

All or some keys on the keyboard do not work

Symptom: All or some keys on the keyboard do not work.

Actions:

•Verify that the keyboard cable is securely connected to the correct connector on the computer.

•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:

Chapter 10. Troubleshooting and diagnostics 97

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Lenovo 267, 4167, 385, 4164, 5070, 5049, 7518, 5035, 5032 Intermittent problems, Keyboard, mouse, or pointing device problems
Page 108 Page 110

4164, 385, 267, 4167, 5070 specifications

Lenovo has established itself as a leader in the technology sector, consistently delivering innovative products that cater to various user needs. Among its vast offerings, the models 5032, 7518, 5049, 5035, and 5025 are noteworthy for their unique features, advanced technologies, and robust performance.

The Lenovo 5032 is known for its versatility and reliability. It boasts a powerful processor that handles multitasking with ease, making it ideal for both office use and gaming. With a high-resolution display, users can enjoy vibrant visuals, which is perfect for graphic-intensive tasks. Its lightweight design and long battery life enhance portability, allowing users to work or play on the go without frequent recharging.

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The Lenovo 5049 focuses on user comfort and connectivity. Featuring a full-size keyboard with ergonomic design, it offers a pleasant typing experience for prolonged use. The model is also equipped with multiple USB ports and connectivity options, allowing users to connect various peripherals seamlessly. Additionally, integrated Wi-Fi 6 support ensures faster internet speeds and improved online experiences.

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Lastly, the 5025 model is designed for budget-conscious consumers who do not want to compromise on essential features. It offers reliable performance for everyday tasks, such as browsing, document editing, and streaming. Its compact form factor is ideal for users with limited desk space, while its energy-efficient components ensure longer battery life, making it an excellent choice for students and professionals alike.

In summary, Lenovo's 5032, 7518, 5049, 5035, and 5025 models each bring distinct advantages tailored to different user needs, making them formidable choices in today's technology landscape. Their emphasis on performance, security, and user experience underscores Lenovo's commitment to quality and innovation.
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