Figure 20. Installing the heat sink fan duct

What to do next:

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

To complete the replacement, go to “Completing the parts replacement” on page 40.

Replacing the microprocessor

Attention:

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:

http://www.lenovo.com/support

This section provides instructions on how to replace the microprocessor.

CAUTION:

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

To replace the microprocessor, 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.Remove the heat sink and fan assembly. See “Replacing the heat sink and fan assembly” on page 22.

Note: Place the heat sink and fan assembly on its side so that the thermal grease on the bottom of it does not get in contact with anything.

Chapter 2. Installing or replacing hardware 25

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Lenovo 4163, 5042, 5046 manual Replacing the microprocessor, Installing the heat sink fan duct

5042, 4163, 5046 specifications

The Lenovo 5046, 4163, and 5042 are part of Lenovo's diverse range of innovative computing solutions, designed to cater to different needs in both personal and professional use. Each model incorporates advanced features and technologies that enhance performance, usability, and efficiency.

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The Lenovo 5042 caters to a niche market with its emphasis on business functionalities. It often includes security features such as fingerprint readers and encryption options, making it a reliable choice for enterprises concerned about data protection. The model is usually optimized for productivity, with keyboard layouts tailored for comfort and efficiency during long working hours. Enhanced audio features also make conference calls and online meetings more engaging, while its durability ensures it can withstand the rigors of daily use.

In summary, Lenovo's 5046, 4163, and 5042 models each offer unique features tailored to specific user needs. With powerful processing, elegant design, and enhanced collaboration tools, Lenovo continues to lead in providing cutting-edge computing solutions that enhance productivity and user experience. Whether for gaming, portability, or business applications, these models stand out in Lenovo's versatile lineup.