6. Connect your computer and devices to electrical outlets, and then turn them on.

Removing the Optional Hard Drive Fan

1. Follow the procedures in Before You Begin.
2. Remove the computer cover (see Removing the Computer Cover).
3. Remove all installed memory modules (see Removing Memory).
4. Disconnect the fan cable from the FAN_HDD connector on the system board (see System Board Components).
5. Press the release latch on the hard drive fan and slide it out from between the hard drive bays, then lift it from the computer.

Installing the Optional Hard Drive Fan

1. Slide the fan between the hard drive bays until it snaps into place.
2. Connect the fan cable to the FAN_HDD connector on the system board (see System Board Components).
3. Replace the computer cover (see Replacing the Computer Cover).
4. Connect your computer and devices to electrical outlets, and then turn them on.
System Board

Removing the System Board

1. Follow the procedures in Before You Begin.
1
hard-drive fan release latch
2
hard drive fan
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into your computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide
NOTICE: The system board and metal tray are connected and are removed as one piece.