If the software program used to work correctly, but does not work correctly now, click Start Control Panel System and Security System System Protection System Restore.

If you are unable to resolve the problem through other methods, uninstall the software program and reinstall it.

If these actions do not correct the problem, you might need technical assistance. Contact your software manufacturer or see Chapter 12 “Getting information, help, and service” on page 113 for details.

USB problems

Symptom: The USB connectors cannot be accessed.

Actions:

Make sure the USB cable is securely connected to the USB connector and to the USB device. If the USB device has its own power cord, make sure it is attached to a properly grounded electrical outlet.

If the USB device has its own On/Off switch, make sure it is in the On position.

If the USB device has an Online switch, make sure it is in the Online position.

If the USB device is a printer, make sure paper is loaded correctly.

Make sure any device drivers or other software supplied with the USB device is correctly installed. Refer to the documentation for the USB device.

Reset the device by detaching and reattaching the USB connector.

If these actions do not correct the problem, run the Lenovo Solution Center program to test the USB connector. If the USB device came with its own diagnostics, run those diagnostics against the USB device. If you need technical assistance, see Chapter 12 “Getting information, help, and service” on page 113.

Lenovo Solution Center

The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems. It combines diagnostic tests, system information collection, security status, and support information, along with hints and tips for maximum system performance.

Notes:

The Lenovo Solution Center program is available only on models preinstalled with the Windows 7 operating system. It also can be downloaded from http://www.lenovo.com/diagnose.

If you are using the Windows Vista® or Windows XP operating system, go to http://www.lenovo.com/diagnose for the latest information on diagnostics for your computer.

To run the Lenovo Solution Center program on the Windows 7 operating system, click Start All Programs

Lenovo ThinkVantage Tools System Health and Diagnostics. Follow the instructions on the screen.

For additional information, refer to the Lenovo Solution Center help system.

Note: If you are unable to isolate and repair the problem yourself after running the program, save and print the log files created by the program. You will need the log files when you speak to a Lenovo technical support representative.

Chapter 11. Troubleshooting and diagnostics 111

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Lenovo 3691, 3695, 3688, 3690, 3693 manual USB problems, Lenovo Solution Center

3691, 3690, 3695, 3688, 3693 specifications

Lenovo, a prominent player in the global computing market, has introduced a series of innovative products, including models such as the Lenovo 3693, 3688, 3695, 3690, and 3691. These models showcase advanced features and technologies that cater to diverse user needs, from everyday tasks to more demanding applications.

The Lenovo 3693 is known for its robust performance and sleek design. It features a powerful processor that enables multitasking with ease. The high-resolution display provides vibrant visuals, making it an ideal choice for both work and entertainment. Additionally, it includes various connectivity options, including USB-C and Thunderbolt, facilitating high-speed data transfers and efficient connection to peripherals.

Model 3688 stands out for its energy efficiency and portability. With a lightweight chassis, it is designed for users on the go. This model incorporates Lenovo's Smart Power technology, which optimizes battery usage, extending the laptop's runtime. The 3688 also offers a comfortable keyboard and precision touchpad, making it a great option for users who require a reliable device for typing and navigation.

The Lenovo 3695 is tailored for gaming enthusiasts, equipped with a dedicated graphics card that delivers stunning visuals and smooth gameplay. It features advanced cooling technology to ensure optimal performance during extended gaming sessions. The customizable RGB keyboard adds a personalized touch, allowing gamers to enhance their experience with vibrant lighting effects.

Lenovo 3690 focuses on business professionals, providing enhanced security features such as a fingerprint reader and privacy shutter for the webcam. The robust build quality ensures durability, while the high-performance specs support resource-intensive applications. Moreover, Lenovo’s proprietary software solutions enhance productivity, allowing users to manage their tasks efficiently.

Finally, the Lenovo 3691 offers an excellent blend of performance and affordability, making it suitable for students and budget-conscious users. It comes with a reliable processor and ample storage space, perfect for handling everyday applications like web browsing, document creation, and media consumption.

In summary, Lenovo’s series of models 3693, 3688, 3695, 3690, and 3691 cater to a wide range of users, combining advanced features, modern design, and cutting-edge technologies. Whether for gaming, business, or casual use, these models ensure a seamless computing experience tailored to individual needs.