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8If this is a new heat sink, remove the strip on the heat sink that covers the gray thermal grease. If you are
9Place the heat sink and fan assembly on the processor, then tighten the screws that secure it to the system board.
10Connect the heat sink fan cable to the system board.
11Replace the side panel by following the instructions in “Replacing the side panel” on page 40.
Adding or replacing an expansion card
To add or replace an expansion card:
1Remove the side panel by following the instructions in “Removing the side panel” on page 37.
2If you are replacing an expansion card, disconnect any cables that are attached to the card, noting their locations and orientation. (You may need to reconnect the cables after you install the new card.)
3Open the card retention lever.
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