11.Route the signal cables of the new front panel board assembly through the corresponding hole in the chassis and position the new front panel board assembly on the chassis so that the screw hole in it is aligned with the corresponding screw hole 1 in the chassis. Then, install the screw to secure the front panel board assembly in place.

Figure 85. Installing the front panel board assembly

12.Connect the front panel USB cable to the internal dual-port USB 2.0 connector 1 on the system board. Then, connect the front panel cable to the front panel connector on the system board. See “System board components” on page 42.

13.Properly route the signal cables of the new front panel board assembly according to your note. You might need to secure the signal cables with cable clips or ties in the chassis.

14.Reinstall the front system fan(s). See “Replacing the front system fan” on page 149.

15.Reinstall the front bezel. See “Removing and reinstalling the front bezel” on page 87.

16.If you are instructed to return the old front panel board assembly, follow all packaging instructions and use any packaging materials that are supplied to you for shipping.

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 162.

Replacing the front system fan

Attention: Do not open your server or attempt any repair before reading and understanding the “Safety information” on page iii and “Guidelines” on page 83.

This topic provides instructions on how to replace the front system fan.

Chapter 6. Installing, removing, or replacing hardware 149

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Lenovo 393, 387, 391, 389, 388, 441, 390, 392 manual Replacing the front system fan, Installing the front panel board assembly
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392, 390, 441, 388, 389 specifications

Lenovo has established itself as a leader in the tech industry, particularly in the realm of laptops and PCs. Among its impressive lineup, the Lenovo series 387, 390, 393, 391, and 392 stands out for their innovative features, robust performance, and user-centric designs. These models cater to a range of users, from casual users to professionals who require high performance and reliability.

The Lenovo 387 is designed with versatility in mind. It comes equipped with an Intel Core processor that delivers snappy performance suitable for everyday tasks and even some heavy lifting with multimedia applications. The display features vibrant colors, making it perfect for streaming media or working on graphic design. Additionally, the 387 incorporates Lenovo’s advanced thermal management technology that ensures efficient cooling, preventing the device from overheating during intensive tasks.

Moving on to the Lenovo 390, this model emphasizes portability without compromising power. Weighing significantly less than its counterparts, the 390 is ideal for users who are always on the go. Its long-lasting battery life means users can stay productive throughout the day without searching for a power outlet. The 390 also features a high-resolution touchscreen, enhancing user interaction and providing a modern computing experience.

The Lenovo 393 further amplifies productivity features with its emphasis on connectivity. It comes with multiple USB ports, an HDMI output, and cutting-edge Wi-Fi technology for seamless networking. This model also boasts Lenovo's proprietary software, which simplifies file sharing and enhances collaboration, making it a strong choice for team-oriented projects.

For users interested in superior graphics and gaming performance, the Lenovo 391 is equipped with a dedicated GPU. This feature allows it to handle the latest games and graphic-intensive applications seamlessly. With an expansive display and high refresh rate, users can enjoy an immersive visual experience. Moreover, its customizable RGB backlit keyboard adds a touch of personalization.

Finally, the Lenovo 392 represents the pinnacle of balance between high-end features and affordability. It integrates smart AI capabilities that optimize device performance based on user habits, ensuring that it runs at optimal capacity. The 392 also prioritizes security with biometric login options and integrated privacy features, making it a trustworthy choice for sensitive tasks.

In summary, Lenovo's 387, 390, 393, 391, and 392 models showcase the brand's commitment to innovation, performance, and user satisfaction. Each model targets specific needs, ensuring that there is a suitable option for every type of user, from students to professionals and gamers. With advanced technologies and thoughtful designs, Lenovo continues to set the standard in the competitive laptop market.
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