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Lenovo 7061, 9486, 9421, 9353, 9485, 7090, 3656, 9426, 9342, 9354, 9344, 7062 Replacing the system board

Models: 7057 9344 9421 7092 3658 9485 7062 9426 7090 9342 9354 7061 9486 3656 9353

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This section provides information on how to remove and replace the power supply. To remove or replace the power supply, do the following:

1.Remove the computer cover. See "Removing the cover" on page 68. Note: For this procedure, it helps to lay the computer on its side.

2.Disconnect the power supply cables from the system board and from all drives.

3.Remove the four screws that secure the power supply at the rear of the chassis.

4.Lift the power supply out of the chassis.

5.If the power supply has a voltage-selection switch, ensure that it is set to match the voltage available at the electrical outlet.

•If the voltage supply range in your local country or region is 100-127 V ac, set the switch to 115 V.

•If the voltage supply range in your local country or region is 200-240 V ac, set the switch to 230 V.

6.Install the new power supply into the chassis so that the screw holes in the power supply align with those in the chassis.

7.Install the four screws to secure the power supply. Note: Use only the screws provided by Lenovo.

8.Reconnect the power supply connectors to the system board. See "Locating parts on the system board" on page 71.

9.Reconnect a power supply connector to each of the drives.

10.Go to "Completing the FRU replacement" on page 91.

Replacing the system board

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 opening the computer cover.

Chapter 8 Replacing FRUs (Types 7061, 7090, 9353, 9421, 9485, 9623, 9625, 9705, 9786, 9795, 9935, 9946, 9953) 73

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Lenovo 7061, 9486, 9421, 9353, 9485, 7090, 3656, 9426, 9342, 9354, 9344, 7062, 7057, 3658, 7092 manual Replacing the system board
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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.