Figure 38. Installing a padlock

Password protection

To deter unauthorized use of your computer, you can use the Setup Utility program to set a password. When you turn on your computer, you are prompted to type the password. The computer cannot be used until

a valid password is typed in. Refer to Chapter 4 “Using the Setup Utility program” on page 49 for more information.

Erasing lost or forgotten passwords (clearing CMOS)

This section provides instructions on how to erase lost or forgotten passwords, such as a user password.

To erase a lost or forgotten password, do the following:

1.Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.

2.Remove the computer cover. See “Removing the computer cover” on page 14.

3.Locate the Clear CMOS /Recovery jumper on the system board. See “Locating parts on the system board” on page 10.

4.Move the jumper from the standard position (pin 1 and pin 2) to the maintenance position (pin 2 and pin 3).

5.Reinstall the computer cover and connect the power cord. See “Completing the parts replacement” on page 38.

6.Turn on the computer and leave it on for approximately 10 seconds. Then, turn off the computer by holding the power switch for approximately five seconds.

7.Repeat step 1 through step 2.

8.Move the Clear CMOS /Recovery jumper back to the standard position (pin 1 and pin 2).

Chapter 2. Installing or replacing hardware 41

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Lenovo 5474, 3029, 3054, 3282, 5498, 5384, 5554, 5450 Password protection, Erasing lost or forgotten passwords clearing Cmos
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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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