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10. Reinstall the hard disk drive. See "Installing a hard disk drive" on page 89.
11. Reinstall the rear I/O assembly. See "Installing a rear I/O assembly" on page
12. Close the system board shielding. See "Closing the system board shielding"
13. Reinstall the rear I/O shielding. See "Installing the rear I/O shielding" on
14. Go to "Completing the FRU installation" on page 125.
Replacing the inverter
This section provides instructions on how to replace the inverter.
Removing the inverter
To remove the inverter, do the following:
1. Turn off the computer.
2. Disconnect all cables, power cords, and external options from your computer.
3. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your
4. Remove the computer cover. See "Removing the computer cover" on page 83.
5. Remove the inverter shielding by removing the screw that secures the inverter
6. Disconnect the three inverter cables.
9. Reinstall the optical drive. See "Installing an optical drive" on page 92.
109.
on page 86.
page 87.
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
See "Rear connectors" on page 78.
computer and gently lay it down so that the screen is against the surface and
the cover is facing up.
shielding to the system board shielding.
Chapter 8. Replacing FRUs
113
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