To replace the rear 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 14.

4.Remove the PCI card holder for easier access to the rear fan assembly. See “Removing and reinstalling the PCI card holder” on page 15.

5.Your computer supports two rear fan assemblies. Locate the rear fan assembly you want to replace. See “Locating components” on page 8.

6.Disconnect the rear fan assembly cable from the appropriate rear fan connector on the system board. See “Locating parts and connectors on the system board” on page 9.

7.The rear fan assembly is attached to the chassis by four rubber mounts. Remove the rear fan assembly by breaking or cutting the rubber mounts and gently pulling the rear fan assembly out of the chassis.

Figure 31. Removing the rear fan assembly

8.Install the new rear fan assembly by aligning the new rubber mounts with the corresponding holes in the chassis and push the rubber mounts through the holes.

Note: The new rear fan assembly you received will have four new rubber mounts attached.

Chapter 2. Installing or replacing hardware 35

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Lenovo 4272, 4271, 4269, 4265, 4264, 4266, 4263, 4262 manual Removing the rear fan assembly

4262, 4263, 4266, 4264, 4265 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.

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