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

Note: When replacing the system board you must also order a new retention module for the new system board. Make sure you have a retention module for the new system board before continuing with this procedure.

This section provides information on how to remove and replace the system board.

To remove or replace the system board, do the following:

1.Remove the cover. See "Removing the cover" on page 94.

2.Lift the fan duct off the heat sink fan.

3.Remove any PCI adapter cards installed in the PCI connectors.

4.You might have to remove the drive bay assembly to access the system board. See "Accessing system board components and drives" on page 96.

5.Take note of the location of all cable connections on the system board and disconnect all cables. See "Locating parts on the system board" on page 95.

6.Remove the hard disk drive. See "Replacing the hard disk drive" on page 106.

7.Remove the screws that secure the system board to the chassis.

8.Lift the system board out of the chassis.

9.Remove the memory modules from the failing system board and install them in the same location on the new system board.

10.Rotate handle bracket.

1

to release the heat sink clamp and then disengage the clamp from the plastic retention

11.Lift the heat sink and fan assembly off the failing system board. Place the heat sink on its side so that the thermal grease does not come in contact with anything.

Note: You might have to gently twist the heat sink to free it from the microprocessor.

12.Remove the retention module from the rear of the failing system board and install it in the same position on the new system board.

Chapter 9 Replacing FRUs (Types 7057, 7062, 7092, 9342, 9344, 9354, 9426, 9486, 9624, 9707, 9787, 9804, 9945) 101

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Lenovo 9353, 9486, 9421, 9485, 7061, 7090, 3656, 9426, 9342, 9354, 9344, 7062, 7057, 3658, 7092 manual
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7057, 9344, 9421, 7092, 3658 specifications

Lenovo has established itself as a significant player in the global technology market, particularly with its innovative line of laptops. The models 9353, 3656, 9625, 7061, and 9946 showcase the company's commitment to combining performance, portability, and cutting-edge technology.

The Lenovo 9353 is known for its sleek design and powerful performance. It features Intel's latest processors and high-speed SSD options, making it an excellent choice for professionals and creatives who require robust computing power. The 9353 is equipped with a vibrant display that enhances the visual experience, perfect for graphic design or content consumption. Its lightweight build ensures portability, making it easy to carry around.

The Lenovo 3656 stands out with its affordability without compromising on essential features. It is powered by AMD processors and offers decent graphics capabilities, ideal for everyday tasks like browsing, streaming, and office applications. The battery life is commendable, supporting all-day use for students and professionals alike. The 3656 also includes a solid build quality, ensuring durability and reliability.

Next, the Lenovo 9625 is a high-end model designed for gaming enthusiasts. With a powerful NVIDIA graphics card, this laptop delivers an immersive gaming experience with high frame rates and stunning visuals. The 9625 also comes with an advanced cooling system to prevent thermal throttling during extended gaming sessions. Its customizable RGB keyboard appeals to gamers who appreciate aesthetics alongside high performance.

The Lenovo 7061 is tailored for business users. It features enhanced security measures, including a fingerprint reader and a TPM chip to safeguard sensitive data. The 7061's display is designed for long hours of work, with anti-glare technology reducing eye strain. It also provides ample connectivity options, making it a versatile choice for professionals on the go.

Lastly, the Lenovo 9946 is a convertible laptop that offers the flexibility of a tablet and the functionality of a laptop. It boasts a touchscreen display and 2-in-1 versatility, making it suitable for various uses, from casual browsing to professional presentations. The Lenovo 9946 is powered by Intel’s latest technologies, ensuring high performance and seamless multitasking, along with a stylus for precision input.

Overall, these Lenovo models cater to different needs and preferences, all while emphasizing performance, portability, and cutting-edge technology, solidifying Lenovo's reputation in the laptop arena.
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