4Using a flat blade screwdriver, slide the chassis intrusion switch out of its slot, then remove the switch and its attached cable from the computer.

Replacing the Chassis Intrusion Switch

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

1Follow the procedures in "Before You Begin" on page 143.

2Remove the computer cover (see "Removing the Computer Cover" on page 145).

3Gently slide the chassis intrusion switch into its slot, then connect the chassis intrusion switch cable to the system board (see "System Board Components" on page 148).

4Replace the computer cover (see "Replacing the Computer Cover" on page 262).

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

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Adding and Replacing Parts

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Dell T3400 manual Replacing the Chassis Intrusion Switch