Chapter 10. Troubleshooting computer problems

This section tells what to do if you have a computer problem.

•Diagnosing programs

•Troubleshooting

Diagnosing programs

If you experience problems with your computer, use the following procedure as a starting point for solving them.

Using Lenovo ThinkVantage Toolbox

If your computer is not operating properly, you may be able to diagnose the problem by having Lenovo ThinkVantage Toolbox test components of your computer.

To start this program, do as follows:

1.Click Start.

2.Move the pointer to Control Panel, to System and Security, and then to Lenovo - System Health and Diagnostics.

If the Lenovo ThinkVantage Toolbox is not installed on your computer, go to http://web.lenovothinkvantagetoolbox.com/, click Download Lenovo ThinkVantage Toolbox, and follow the instructions on the screen.

For more information about this program, see the Help for the program.

Running any tests may take up to several minutes or longer. Make sure you have time to run the entire test; do not interrupt the test while it is running. When preparing to contact the Customer Support Center, be sure to print the test log so that you can rapidly provide information to the help technician.

Troubleshooting

If your computer has an error, it typically displays a message or an error code, or a beep sounds when you turn it on. To correct an error, first find the description of the error in the left-hand column of the chart that applies. Then click that description to get a troubleshooting procedure.

To make sure that your computer has the features or options that are introduced in the following sections, consult the online help or the list shipped with your computer.

Computer stops responding

Print these instructions now and keep it with your computer for reference later.

If your computer is completely unresponsive (you cannot use the UltraNav pointing device or the keyboard), do the following steps:

1.Push and hold the power switch to turn off the computer:

•If the computer is turned off, restart by pressing the power switch. If the machine does not turn on, continue to step 2.

© Copyright Lenovo 2011

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Lenovo 3444CUU manual Troubleshooting computer problems, Diagnosing programs, Using Lenovo ThinkVantage Toolbox
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3444CUU specifications

The Lenovo 3444CUU is a versatile laptop designed to cater to a wide range of user needs, from business professionals to students. This model stands out due to its solid build quality, innovative technologies, and user-friendly features.

At the heart of the Lenovo 3444CUU lies an efficient Intel processor, designed to handle everyday computing tasks with ease. The inclusion of powerful integrated graphics ensures smooth performance during both productivity tasks and casual gaming sessions. With an ample amount of RAM, users can multitask seamlessly, switching between applications without experiencing any lag.

One of the most significant highlights of the Lenovo 3444CUU is its stunning display. The laptop is equipped with a high-definition screen that delivers vibrant colors and sharp visuals, making it ideal for watching movies, editing photos, or presenting slideshows. The anti-glare technology incorporated into the display reduces reflections, enabling comfortable viewing in various lighting conditions.

The design of the Lenovo 3444CUU emphasizes portability and convenience. It boasts a lightweight chassis, allowing users to easily carry it along for meetings or classes. The ergonomic keyboard provides a comfortable typing experience, complete with responsive keys that enhance productivity during long typing sessions. Additionally, the touchpad is accurate and supports multi-touch gestures for easy navigation.

Connectivity is a strong point for the Lenovo 3444CUU. It features multiple USB ports, an HDMI output, and an SD card reader, ensuring compatibility with a wide range of peripherals and devices. Wi-Fi and Bluetooth capabilities provide reliable wireless connectivity for seamless internet access and peripheral connections.

The battery life of the Lenovo 3444CUU is commendable, lasting throughout a full day of work or study on a single charge. This feature is particularly beneficial for users who are frequently on-the-go, eliminating the need to search for power outlets.

In terms of security, the Lenovo 3444CUU includes advanced features like a fingerprint reader and a secure BIOS, providing users with peace of mind. These technologies help protect sensitive data and ensure that only authorized users have access to the device.

Overall, the Lenovo 3444CUU stands out as a reliable, efficient, and feature-rich laptop suitable for various tasks, making it an excellent choice for anyone in need of a dependable computing solution. Its blend of performance, portability, and security features caters to the demands of modern users, making it a noteworthy addition to Lenovo’s diverse laptop lineup.
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