1.Shut down the operating system and turn off the computer.

2.Repeatedly press and release the F11 key as you turn on the computer.

3.When you hear beeps or see a logo screen, stop pressing the F11 key. The Rescue and Recovery workspace opens.

Note: For some models, press the Esc key to enter Rescue and Recovery.

4.From the Rescue and Recovery workspace, select Diagnose hardware.

5.Follow the prompts on the screen. The computer will reboot.

6.When the computer restarts, the diagnostic program opens automatically. Select the diagnostic test you want to run. Press the F1 key for additional help.

PC-Doctor for Windows PE

Depending upon your machine type and model, you either have PC-Doctor for DOS or PC-Doctor for Windows PE on your Lenovo computer. The PC-Doctor for Windows PE diagnostic program is part of the Rescue and Recovery workspace. Use PC-Doctor for Windows PE, if you are unable to start the Windows operating system or if PC-Doctor for Windows has not been successful in isolating a possible problem.

Running diagnostics from the Rescue and Recovery workspace

You can run the PC-Doctor for Windows PE diagnostic program from the Rescue and Recovery workspace. To run diagnostics from the Rescue and Recovery workspace, use the following procedure:

1.Shut down the operating system and turn off the computer.

2.Repeatedly press and release the F11 key as you turn on the computer.

3.When you hear beeps or see a logo screen, stop pressing the F11 key. The Rescue and Recovery workspace opens.

4.From the Rescue and Recovery workspace, select Diagnose hardware.

5.The diagnostic program opens automatically. Select the diagnostic test you want to run. Press the F1 key for additional help.

6.Follow the instructions on the screen.

Note: Rescue media includes PC-Doctor for Windows PE. For more information about rescue media, see “Creating and using rescue media” on page 36.

Cleaning the mouse

This section provides instructions on how to clean your mouse. The procedure will be different depending on whether you have an optical or non-optical mouse.

Optical mouse

An optical mouse uses a light-emitting diode (LED) and an optical sensor to navigate the pointer. If the pointer on the screen does not move smoothly with the optical mouse, you might need to clean the mouse. Use the following procedure to clean the optical mouse:

1.Turn off your computer.

2.Disconnect the mouse cable from the computer.

3.Turn the mouse upside down to look at the lens.

a.If there is a smudge on the lens, gently clean the area with a plain cotton-tipped swab.

Chapter 7. Troubleshooting and diagnostics 51

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Lenovo 7398, 7397, 7392, 7391, 7396, 7390 manual PC-Doctor for Windows PE, Cleaning the mouse, Optical mouse

7390, 7396, 7398, 7391, 7392 specifications

Lenovo has consistently been at the forefront of innovation in the technology space, and its range of products identified by the model numbers 7392, 7396, 7398, 7391, and 7397 is no exception. These devices exemplify the company's commitment to delivering cutting-edge features, technological advancements, and user-centric designs.

The Lenovo 7392 series is designed with a robust performance architecture that caters to both business and personal use cases. Equipped with the latest Intel processors, these devices exhibit exceptional multitasking capabilities, ensuring a smooth user experience even when running resource-intensive applications. The 7392 stands out with its high-resolution displays, which offer vivid colors and sharp images, making it ideal for entertainment, design work, and professional presentations.

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The Lenovo 7398 model showcases exceptional battery life, providing users with the freedom to work or play without the constant need to recharge. This is further complemented by rapid charging technology, which allows users to gain hours of usage from just a short time plugged in. Such features make it an excellent choice for professionals on the go.

The Lenovo 7391 is particularly noteworthy for its integrated security features. Equipped with a fingerprint reader and optional face recognition, this model ensures that user data remains secure while offering quick and convenient access. This focus on security is particularly appealing to enterprises and individuals who prioritize privacy and data protection.

Lastly, the Lenovo 7397 highlights premium build quality and design. With a sleek aesthetic, lightweight chassis, and durable materials, this model not only looks good but is built to withstand daily wear and tear. The backlit keyboard and touchpad support enhance the usability, allowing users to work comfortably in low-light environments.

In summary, the Lenovo 7392, 7396, 7398, 7391, and 7397 offer a diverse array of features, including powerful performance, robust connectivity options, impressive battery life, enhanced security, and premium design. Together, these models cater to various user needs, solidifying Lenovo's reputation as a leader in innovative technology solutions.