Service Manual

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1. Slide the power supply into place, ensuring that the tabs on the rear wall of the computer chassis latch into place.
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2. Replace the four screws that secure the power supply to the back of the computer chassis.
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3. Replace the two hard-drive bays.
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4. Replace all hard drives installed in the interior hard-drive bays (see Installing a Hard Drive).
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5. Replace the optional hard-drive fan, if applicable (see Installing the Optional Hard Drive Fan).
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6. Reattach each of the DC power cables that were previously connected, carefully rerouting them as you found them.
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7. Replace the computer cover (see Replacing the Computer Cover).
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8. Connect your computer and devices to electrical outlets, and then turn them on.
Front I/O Panel
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Front I/O-Panel Components
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Removing the Front I/O Panel
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1. Follow the procedures in Before You Begin.
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2. Remove the computer cover (see Removing the Computer Cover).
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3. Remove any full-length expansion cards (see Removing PCI and PCI Express Cards).
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.
1
IEEE 1394
connector
2
USB 2.0 ports (2)
3
diagnostic, hard-drive access, and network
integrity lights
4
headphone
connector
5
microphone
connector
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CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.