Replacing The Front Audio And Usb Assembly - Lenovo thinkcentre e73 Hardware Maintenance Manual

9. Install the new system fan assembly by aligning the new rubber mounts that came with the new system
fan assembly with the corresponding holes in the chassis, and then push the rubber mounts through the
holes. Then, carefully pull on the tips of the rubber mounts from the bottom until the new system fan
assembly is secured in place.
Figure 107. Installing the system fan assembly
10. Connect the new system fan assembly cable to the system fan connector on the system board. See
"Locating parts on the system board" on page 79.
11. Reinstall the heat sink fan duct. See "Replacing the heat sink and fan assembly" on page 148.
12. Reinstall the hard disk drive. See "Replacing the hard disk drive" on page 131.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 171.

Replacing the front audio and USB assembly

Attention: Do not open your computer or attempt any repair before reading and understanding "Important
safety information" on page 1.
This section provides instructions on how to replace the front audio and USB assembly.
To replace the front audio and USB assembly, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See "Removing the computer cover" on page 124.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 124.
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ThinkCentre E73 Hardware Maintenance Manual