5.Lay the computer on its side and remove the four screws at the rear of the chassis that secure the power supply assembly.

Figure 31. Removing the screws for the power supply assembly

6.Slide the power supply assembly to the front of the computer and then lift it out of the chassis.

7.Ensure that the new power supply assembly is the correct replacement.

8.Install the new power supply assembly into the chassis so that the screw holes in the power supply assembly align with those in the chassis.

9.Install and tighten the four screws to secure the power supply assembly. Note: Use only screws provided by Lenovo.

10.Reconnect the power supply assembly cables to the system board and each of the drives.

11.Secure the power supply assembly cables with the cable clips and ties in the chassis.

What to do next:

To work with another piece of hardware, go to the appropriate section.

To complete the installation or replacement, go to “Completing the parts replacement” on page 79.

Replacing the heat sink and fan assembly

Attention:

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v.

This section provides instructions on how to replace the heat sink and fan assembly.

CAUTION:

The heat sink and fan assembly might be very hot. Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover.

Chapter 5. Installing or replacing hardware 49

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Lenovo 2111, 2112, 2110, 2011 Replacing the heat sink and fan assembly, Removing the screws for the power supply assembly

1765, 1766, 1562, 1662, 1565 specifications

Lenovo has long been recognized as a leader in the technology space, producing a variety of reliable laptops and computing devices. Among their offerings, the Lenovo models 2110, 2111, 1565, 1662, and 1562 stand out for their unique features, technologies, and characteristics that cater to a range of users, from professionals to students.

The Lenovo 2110 is designed with portability in mind. Weighing just under 4 pounds, it provides an Intel Core processor that allows for seamless multitasking. The 15.6-inch HD display ensures vibrant visuals, making it ideal for presentations and streaming. One of its notable features is the long-lasting battery life, capable of supporting up to 10 hours of usage, allowing users to work or play without constant recharging.

The Lenovo 2111 builds on the foundation of the 2110 with enhanced graphics performance. This model is equipped with a dedicated NVIDIA GeForce graphics card, which significantly improves the performance of graphic-intensive applications and gaming. The 2111 also supports a wider range of RAM options, enabling users to configure it to suit their memory needs, thus improving overall efficiency and responsiveness.

The Lenovo 1565 is tailored for business professionals. It features a robust design with a spill-resistant keyboard, ensuring durability in various environments. The 1565 is also equipped with advanced security features, including a fingerprint reader, which adds an additional layer of protection for sensitive business data. This model's integrated webcam and high-quality microphone facilitate clear video conferencing, enhancing communication for remote work scenarios.

The Lenovo 1662 comes with a unique 2-in-1 capability, functioning both as a laptop and a tablet. Its touchscreen display allows for easy navigation and interaction, making it suitable for creative professionals who utilize styluses for design work. The flexibility of the 1662 is complemented by its powerful Intel processor, giving users the performance needed for demanding applications.

Lastly, the Lenovo 1562 model is designed for education and everyday use. Its focus on affordability does not compromise performance, featuring a reliable AMD processor and sufficient RAM for tasks like web browsing, document editing, and online learning. The 1562's lightweight design and durable construction make it an excellent choice for students and individuals on the go.

Together, these Lenovo models present a diverse lineup catering to various user needs. From powerful gaming capabilities to business-class features and educational tools, Lenovo continues to innovate with its laptops, ensuring they stay relevant in an ever-evolving technology landscape.