Lenovo ThinkCentre M725s, User Manual And Hardware Maintenance Manual

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Figure 89. Installing the microprocessor
Figure 90. Securing the retainer with the handle
8. Route all the cables that you disconnected from the system board, and then reconnect the cables to the
system board.
9. Pivot the drive bay assembly downward and reinstall the removed parts. To complete the replacement,
see “Completing the parts replacement” on page 60.
Replacing a PCI Express card
Attention: Do not open your computer or attempt any repairs before reading the Important Product
Information Guide .
1. Remove external options. See “Replacing external options” on page 14.
2. Remove the computer cover. See “Removing the computer cover” on page 16.
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M725s User Guide and Hardware Maintenance Manual