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Lenovo 393, 441, 392, 391, 388, 389, 387, 390 manual Installing, removing, or replacing hardware

Models: 389 441 388 392 391 393 390 387

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This topic provides instructions on how to replace a hot-swap redundant power supply module.

This topic applies only to server models that come with hot-swap redundant power supply module(s). For each hot-swap redundant power supply module, there might be one or two status LEDs on the power supply module near the power cord connector. When the green LED is lit, it indicates that the hot-swap redundant power supply module is working properly. When the red LED is lit, it indicates that the hot-swap redundant power supply module has failed.

The hot-swap redundant power supply modules help you avoid significant interruption to the operation of the system when a power supply module fails and you can replace a hot-swap redundant power supply module without turning off the server.

Note: To maintain the EMI integrity and cooling of the server, install a new hot-swap redundant power supply module as soon as you remove the failing one or cover the other bay with a shield if you just use one module to provide power.

CAUTION:

Hazardous moving parts. Keep fingers and other body parts away.

CAUTION:

Never remove the cover on a power supply or any part that has the following label attached.

Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician.

Before you begin, print all the related instructions or ensure that you can view the PDF version on another computer for reference.

Notes:

1.Your hot-swap redundant power supply module might look slightly different from the illustrations in this topic.

2.Use any documentation that comes with the new hot-swap redundant power supply module and follow those instructions in addition to the instructions in this topic.

To replace a hot-swap redundant power supply module, do the following:

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Lenovo 393, 441, 392, 391, 388, 389, 387, 390 manual Installing, removing, or replacing hardware
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389, 441, 388, 392, 391 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.