6Remove the two screws that secure the riser card to the bracket.

7Slide the riser card to the left on the bracket to free it from the pins on the bracket, then pull the riser card off of the bracket.

8Place the new riser card on the bracket and secure it with the two screws you removed in Step 6.

9Insert the new riser card assembly into the chassis and insert the system board edge connector into the connector on the back of the riser card.

10Secure the riser card with the four screws you removed in Step 4.

11Replace any expansion cards you removed in Step 3.

12Close the case. See “Closing the case” on page 20.

13Reconnect all peripherals and the power cord, then turn on the system.

Replacing the system board

The system board integrates the other elements of the system, such as the processor, memory, storage, networking, and communications.

To replace the system board:

1Turn off the system and disconnect the power cord and all external peripheral devices.

2Open the case. See “Opening the case” on page 18 and “Preventing static electricity discharge” on page 17.

Replacing and Adding Internal Devices

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