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Using Your XPS Desktop 
1 Power connector — Connects to the 
power cable. The appearance of this 
connector may vary.
2 Power supply light — Indicates power 
availability of the power supply.
NOTE: The power supply light may not 
be available on all computers.
3 Back panel connectors — Connect USB, 
audio, video, and other devices to the 
appropriate connectors.
4 Expansion card slots  — Provide 
access to connectors on any installed 
PCIExpress cards.
5 Security cable slot — Attaches a 
commercially available security cable to 
the computer.
NOTE: Before you buy a security cable, 
ensure that it fits into the security cable 
slot on your computer.
6 Padlock rings — Attach a standard 
padlock to prevent unauthorized access 
to the interior of your computer.