16Replace the computer cover (see "Replacing the Computer Cover" on page 161).

NOTICE: To connect a network cable, first plug the cable in to the network port or device and then plug it in to the computer.

17Connect your computer and devices to their electrical outlets, and turn them on.

See the documentation that came with the drive for instructions on installing any software required for drive operation.

18Enter the system setup program (see "System Setup" on page 89) and select the appropriate Drive option.

19Verify that your computer works correctly by running the Dell Diagnostics. See "Dell Diagnostics" on page 136 for instructions.

System Board

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer’s electronic components. You can do so by touching an unpainted metal surface on the computer.

Removing the System Board

1Follow the procedures in "Before You Begin" on page 151.

2Remove the computer cover (see "Removing the Computer Cover" on page 153).

3Rotate the hard-drive carrier out of the computer (see "Rotating the Hard Drive Carrier Out of the Computer" on page 156).

4Remove the processor access door assembly:

a Remove the green screw that attaches the processor access door assembly to the system board and to the computer chassis.

b Lift to remove the processor access door assembly from the computer.

Adding and Replacing Parts

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Dell NX046 manual Removing the System Board, 281