Figure 18. Inside the system—two 3.5-inch cabled hard drive systems
1
control panel module 2 cabled hard drive
3 intrusion switch 4 power supply unit
5 expansion card riser 6 memory module (A1, A2, A3, A4)
7 processor 8 system board
9 cooling fan blank 10 cooling fan (3)
11 optical drive
Intrusion switch
Removing the intrusion switch
Prerequisites
CAUTION
: Many repairs may only be done by a certied service technician. You should only perform troubleshooting and simple
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that are shipped with your product.
1 Ensure that you follow the Safety instructions.
2 Follow the procedure listed in Before working inside your system.
3 Keep the plastic scribe ready.
Steps
1 Disconnect the intrusion switch cable from the connector on the system board.
2 Using the plastic scribe, slide the intrusion switch out of the intrusion switch slot.
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Installing and removing system components
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