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Figure 2. Rear view
USB 3.0 connectors (4)
Audio line-in connector
Audio line-out connector
ac power adapter connector
ac power adapter cable loop
PCI Express card area (different cards provide different
Rear Wi-Fi antenna cover (optional)
Note: A discrete graphics card might be installed in the Peripheral Component Interconnect (PCI) Express
card area. If such a card is installed, ensure that you use the connectors on the card instead of the
corresponding connectors on the computer.
• ac power adapter cable loop
Used to secure the ac power adapter cable.
• ac power adapter connector
Used to connect the ac power adapter to your computer for power supply.
• Audio line-in connector
Used to receive audio signals from an external audio device, such as a stereo system. When you attach
an external audio device, a cable is connected between the audio line-out connector of the device
and the audio line-in connector of the computer.