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To replace a fan:
1. Lower the fan into the fan assembly until the fan snaps into position.
2. Replace the system cover.
3. Close the front bezel.
Expansion Cards
Expansion cards are installed on the system board (see Figure6-1). There are seven expansion card slots available.
The front fan assembly bracket is used to help secure the expansion cards.
Installing an Expansion Card
To install an expansion card, perform the following steps.
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
2. Open the front bezel (see "Removing the Front Bezel" in "Troubleshooting Your System").
3. Remove the system cover.
See the documentation that came with the expansion card for information on configuring the card, making internal connections, or otherwise customizing the card
for your system.
4. Remove the front fan assembly (see "Removing the Front Fan Assembly").
5. Release the expansion-card latch, and remove the filler bracket from the expansion slot (see Figure6-5).
6. Install the new expansion card (see Figure6-5).
7. Position the expansion-card so that the board-edge connector aligns with the expansion-card connector on the system board.
8. Insert the card-edge connector firmly into the expansion-card connector until the card is fully seated.
Figure 6-5. Installing an Expansion Card
WARNING: Before you perform this procedure, you must turn off the system and disconnect it from its power source. For more information, see
"Safety First— For You and Your System" in "Troubleshooting Your System."
CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System Information document.