Lenovo ThinkCentre 5110, Maintenance Manual

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Opening and closing the system board shielding
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important Safety
Information” on page 1.
This section provides instructions on how to open and close the system board shielding.
Opening the system board shielding
To open the system board shielding, do the following:
1. Turn off the computer.
2. Disconnect all cables, power cords, and external options from your computer. See “Locating connectors
on the rear of your computer” on page 68.
3. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
4. Remove the computer cover. See “Removing the computer cover” on page 74.
5. Remove the rear I/O shielding. See “Removing the rear I/O shielding” on page 78.
6. Remove the inverter shielding by removing the screw that secures the inverter shielding to the system
board shielding.
7. Remove the inverter by removing the two screws that secure the inverter to the system board shielding.
Chapter 9
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Replacing FRUs
75