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11. Position the heat sink fan duct on the top of the heat sink and fan assembly so
that the four screw holes in the heat sink fan duct are aligned with the
corresponding holes in the heat sink and fan assembly. Then, install the four
screws to secure the heat sink fan duct in place.
What to do next:
v To work with another piece of hardware, go to the appropriate section.
v To complete the replacement, go to “Completing the parts replacement” on
page 46.
Replacing the optical drive
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,goto:
http://www.lenovo.com/support
This section provides instructions on how to replace the optical drive.
Note: The optical drive is available only in some models.
To replace the optical drive, do the following:
Figure 26. Installing the heat sink fan duct
34 User Guide