Overview 5Rear viewNote Your computer model might look slightly different from the illustration.1 Microphone connectorUsed to connect a microphone to your computer when you wantto record sound or use speech recognition software.2 VGA-out connectorUsed to send video signals from the computer to another videodevice, such as a monitor.3 DisplayPort®-out connectors (2)Used to send audio and video signals from the computer toanother audio or video device, such as a high-performancemonitor.4 USB 3.0 connectors (2)Used to connect a USB-compatible device. For optimal datatransfer, connect a USB 3.0 device to a USB 3.1 or USB 3.0connector instead of a USB 2.0 connector.5 USB 2.0 connectors (2)Used to connect a device that requires a USB 2.0 connection.6 PS/2 keyboard connectorUsed to connect a keyboard that uses a Personal System/2(PS/2) keyboard connector.7 Audio line-out connectorUsed to send audio signals from the computer to externaldevices, such as powered stereo speakers, headphones, ormultimedia keyboards. To connect a stereo system or otherexternal recording device, connect a cable between the audio line-in connector of the device and the audio line-out connector of thecomputer.Note If your computer has both an audioline-out connector and a headset orheadphone connector, always usethe headset connector or headphoneconnector for earphones, headphones,or a headset. The headphone connectordoes not support headset microphones.