10.Position the new heat sink and fan assembly on the microprocessor so that the four screws are aligned with the holes in 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.

11.Follow this sequence to install the four screws to secure the new heat sink and fan assembly:

a.Partially tighten screw 1, then fully tighten screw 2, and then fully tighten screw 1.

b.Partially tighten screw 3, then fully tighten screw 4, and then fully tighten screw 3.

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

13.If you are replacing heat sink and fan assembly 2, reinstall the optical drive bracket into the chassis. Then, reinstall the optical drive into the chassis. See “Replacing the optical drive” on page 29.

14.Reinstall the PCI card holder. See “Removing and reinstalling the PCI card holder” on page 16.

What to do next:

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

vTo complete the installation or replacement, go to “Completing the parts replacement” on page 40.

Replacing the front fan assembly

Attention

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

This section provides instructions on how to replace the front fan assembly.

Note: Not all computers have the front fan assembly.

To replace the front fan assembly, 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 13.

3.Remove the front bezel. See “Removing and reinstalling the front bezel” on page 15.

4.Remove the PCI card holder. See “Removing and reinstalling the PCI card holder” on page 16.

34User Guide

Page 42
Image 42
Lenovo 4271, 4272, 4269, 4265, 4264, 4266, 4263 manual Replacing the front fan assembly, What to do next

4263, 4266, 4264, 4265, 4269 specifications

Lenovo has established itself as a leader in the technology sector, offering a range of innovative products tailored for various business and personal needs. Among its notable offerings are the Lenovo 4269, 4265, 4263, 4272, and 4266 models, each distinct yet sharing common traits that reflect Lenovo's commitment to quality, performance, and user experience.

The Lenovo 4269 is known for its robust build and reliability, making it an ideal choice for professionals on the move. It typically features a powerful Intel processor, ample RAM, and a solid-state drive (SSD) that ensures quick boot times and efficient multitasking. The laptop's vibrant display often comes with anti-glare technology, allowing users to work comfortably in various lighting conditions. Enhanced connectivity options and security features such as a fingerprint reader contribute to its appeal.

The Lenovo 4265 model is another strong contender, boasting a sleek design complemented by impressive performance metrics. With a focus on productivity, it integrates advanced battery management technology, allowing extended use without the need for frequent charging. Users can benefit from its high-definition webcam, which enhances video conferencing experiences—a critical feature in today's remote working landscape.

The Lenovo 4263 focuses on versatility and portability. It often incorporates a 2-in-1 design, allowing it to transform from a laptop into a tablet seamlessly. This adaptability makes it perfect for creative professionals who require flexibility in their devices. Additionally, its touchscreen interface enhances interaction, making it easier to navigate applications with precision.

The Lenovo 4272 is designed with gamers in mind. It typically hosts a dedicated graphics card, which supports high-resolution gaming and multimedia applications. Enhanced cooling systems assure optimal performance during intense gaming sessions, while customizable keyboard backlighting offers a personal touch for users.

Lastly, the Lenovo 4266 stands out with its emphasis on business solutions. It features advanced enterprise-level security features to protect sensitive data, coupled with performance specifications designed to handle demanding business applications.

In summary, the Lenovo 4269, 4265, 4263, 4272, and 4266 models showcase Lenovo's dedication to combining technology with user-centric design. Each model caters to specific needs—be it mobility, productivity, versatility, gaming, or business applications—ensuring that users find a machine that aligns perfectly with their requirements. Lenovo continues to innovate and evolve, setting benchmarks in the laptop market.