6.Follow this sequence to remove the four screws that secure the heat sink and fan assembly to the system board:

a.Partially remove screw

b.Partially remove screw

1 , then fully remove screw

3 , then fully remove screw

2 , and then fully remove screw

4 , and then fully remove screw

1.

3.

Note: Carefully remove the four screws from the system board to avoid any possible damage to the system board. The four screws cannot be removed from the heat sink and fan assembly.

Figure 25. Removing the heat sink and fan assembly

7.Lift the failing heat sink and fan assembly off the system board.

Notes:

a.You might have to gently twist the heat sink and fan assembly to free it from the microprocessor.

b.Do not touch the thermal grease while handling the heat sink and fan assembly.

8.Position the new heat sink and fan assembly on the system board so that the four screws are aligned with the holes on the system board.

Note: Position the new heat sink and fan assembly so that the heat sink and fan assembly cable is toward the microprocessor fan connector on the system board.

9.Follow the following sequence to install the four screws to secure the new heat sink and fan assembly. Do not over-tighten the screws.

a.Partially tighten screw

b.Partially tighten screw

1 , then fully tighten screw

3 , then fully tighten screw

2 , and then fully tighten screw

4 , and then fully tighten screw

1.

3.

10.Connect the heat sink and fan assembly cable to the microprocessor fan connector on the system board. See “Locating parts on the system board” on page 11.

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 49.

Chapter 4. Installing or replacing hardware 39

Page 49
Image 49
Lenovo 7821, 7782, 7824, 7823, 7783 manual Removing the heat sink and fan assembly

7821, 7783, 7823, 7824, 7782 specifications

Lenovo has been a frontrunner in the technology sector, consistently pushing the boundaries of innovation with its diverse range of products. Among them, devices like the Lenovo 7821, 7783, 7824, 7782, and 7823 have garnered attention for their robust features, cutting-edge technologies, and versatile characteristics that cater to both casual users and professionals alike.

The Lenovo 7821 is designed with an emphasis on performance and portability. It boasts an impressive battery life, ensuring that users can remain productive without constant recharging. The integration of Intel’s latest processors enables seamless multitasking, allowing users to run multiple applications simultaneously without a hitch. Additionally, the 7821’s high-resolution display provides vibrant visuals, making it ideal for content consumption as well as productivity tasks.

Moving on to the Lenovo 7783, this model stands out for its advanced security features. With a fingerprint scanner and advanced facial recognition technology, users can be assured that their data is secure. The device also offers extensive connectivity options, including advanced Wi-Fi 6 capabilities, ensuring fast and reliable internet access. The sleek design combined with powerful internal specifications makes the 7783 a favorite among business professionals.

The Lenovo 7824 takes usability to the next level with its convertible design. Functioning both as a laptop and a tablet, it can easily adapt to different working environments and tasks. The 7824 is equipped with a stylus for natural handwriting input, making it a great choice for creatives and professionals who rely on sketching or note-taking for their work.

The Lenovo 7782 is focused on entertainment, sporting a superior audio system and vivid display. Whether users are streaming movies or playing video games, the immersive sound quality and visual clarity enhance the overall experience. This model also features high storage capacity options, allowing users to store large libraries of media without concern.

Lastly, the Lenovo 7823 excels in sustainability. With a design that incorporates recycled materials, this device prioritizes eco-friendliness while still delivering high performance. Users can enjoy a powerful computing experience with the peace of mind that they're contributing to environmental conservation.

In summary, the Lenovo 7821, 7783, 7824, 7782, and 7823 embody a blend of innovation, performance, and user-centric features. Each model presents unique characteristics that cater to different needs, whether it's for professional use, creative tasks, security, or entertainment. Lenovo continues to lead by example, focusing not just on cutting-edge technology but also on the overall user experience.