Symptom

Action

 

 

The operating system does not

Verify that:

start.

• The startup sequence includes the device where the operating system resides.

 

 

Usually, the operating system is on the hard disk drive. For more information,

 

see “Selecting a startup device” on page 51.

 

Note: For SMC computers, you might receive the error message “No operating

 

system found. Press F1 to repeat boot sequence.” In this case, press

 

Ctrl+Alt+Delete instead of F1 to establish a connection to the storage area network

 

where your operating system is stored. Verify that the user name is not logged

 

on in another location.

 

 

The SMC login prompt

Verify that your computer does not turn off due to inactivity. SMC will automatically

disappears before you log

turn off an inactive computer. If your computer turns off automatically, turn on the

on and then a black screen

computer and log on. Contact your administrator if you cannot correct the problem.

displays (for SMC computers

 

only).

 

 

 

The computer beeps multiple

Verify that no keys are stuck.

times before the operating

 

system starts.

 

 

 

Diagnostic programs

Diagnostic programs are used to test hardware components of your computer and report operating-system-controlled settings that can cause hardware failures. There are two programs preinstalled on your computer to help you diagnose computer problems:

•Lenovo ThinkVantage Toolbox (used when you are running the Windows operating system)

•PC-Doctor for Rescue and Recovery (used when your Windows operating system does not start)

Notes:

1.You can also download the PC-Doctor for DOS diagnostic program from http://www.lenovo.com/support. See “PC-Doctor for DOS” on page 57 for detailed information.

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

Lenovo ThinkVantage Toolbox

The Lenovo ThinkVantage Toolbox program helps you maintain your computer, improve computing security, diagnose computer problems, get familiar with the innovative technologies provided by Lenovo, and get more information about your computer. You can use the diagnostics feature of the Lenovo ThinkVantage Toolbox program to test devices, diagnose computer problems, create bootable diagnostic media, update system drivers, and view system information.

•To run the Lenovo ThinkVantage Toolbox program on the Windows 7 operating system, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ System Health and Diagnostics. Follow the instructions on the screen.

•To run the Lenovo ThinkVantage Toolbox program on the Windows Vista operating system, click Start ➙ All Programs ➙ ThinkVantage ➙ Lenovo ThinkVantage Toolbox. Follow the instructions on the screen.

Follow the instructions on the screen. For additional information, refer to the Lenovo ThinkVantage Toolbox help system.

56ThinkCentre User Guide

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Lenovo 5474, 3029, 3054, 3282, 5498, 5384, 5554, 5450, 3652, 3544, 3421, 3349, 3139 Diagnostic programs, Lenovo ThinkVantage Toolbox
Page 63 Page 65

3139, 3652, 5474, 3219, 5498 specifications

Lenovo offers an impressive lineup of laptops that cater to a variety of users, with models like the Lenovo 3544, 5384, 3421, 3282, and 5450 standing out due to their unique features, technologies, and characteristics.

The Lenovo 3544 is designed for entry-level users and comes equipped with an AMD A6 processor, making it ideal for everyday tasks such as web browsing, document editing, and media consumption. With its 15.6-inch HD display, users can enjoy vibrant visuals, enhancing their viewing experience. The device also features integrated AMD Radeon graphics, providing decent performance for casual gaming and multimedia tasks. The laptop is lightweight and portable, making it suitable for students and professionals who need a reliable machine on the go.

Next, we have the Lenovo 5384, which is targeted at business professionals. This model boasts an Intel Core i5 processor, allowing for enhanced multitasking capabilities and performance. Its 14-inch FHD display presents sharp, clear images, making it ideal for presentations and conference calls. The laptop also offers excellent battery life, ensuring that professionals can work through their day without needing to search for an outlet. Additionally, it features robust security options, like a fingerprint reader and TPM (Trusted Platform Module), ensuring sensitive data remains protected.

The Lenovo 3421 model brings together versatility and performance. It features an Intel Core i7 processor paired with 16GB of RAM, catering to those who require higher performance for graphics-intensive tasks, such as video editing or software development. Its large storage options, including SSD and HDD combinations, provide ample space for applications and files. The 15.6-inch display provides a rich visual experience, while the backlit keyboard adds convenience for late-night work sessions.

The Lenovo 3282 model stands out for its lightweight design and longevity. An Intel Pentium processor powers this slim device, making it energy-efficient and perfect for casual users who prioritize portability. The full-sized keyboard ensures comfortable typing, while the bright, vibrant display contributes to an enjoyable user experience.

Finally, the Lenovo 5450 is a power-packed laptop that combines performance and portability. It features a Ryzen 7 processor, offering significant capabilities for both gaming and demanding applications. The device is equipped with a 15.6-inch Full HD display and discrete graphics options, ensuring smooth performance for gamers. The laptop also supports fast charging technology, which is particularly appealing to users with busy lifestyles.

In summary, Lenovo’s models—3544, 5384, 3421, 3282, and 5450—showcase a diverse range of features suited for various needs, from basic tasks to demanding applications. Each model incorporates advanced technology to ensure users enjoy a reliable and efficient computing experience.
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