Rear1. Audio line-out connectorSend audio signals from the computer to external devices, such as poweredstereo speakers, headphones, or multimedia keyboards. To connect a stereosystem or other external recording device, connect a cable between the audioline-in connector of the device and the audio line-out connector of the computer.Note: If your computer has both an audio line-out connector and a headset orheadphone connector, always use the headset or headphone connector forearphones, headphones, or a headset. The headphone connector does notsupport headset microphones.2. DisplayPort® out connector Send audio and video signals from the computer to another audio or video device,such as a high-performance monitor.3. Serial connector Connect an external modem, a serial printer, or other devices that use a serialconnector.4. VGA-out connector Send video signals from the computer to another video device, such as a monitor.5. USB 2.0 connectors Connect USB-compatible devices, such as a USB keyboard, USB mouse, USBstorage device, or USB printer.6. USB 3.2 connectors Gen 1 Connect USB-compatible devices, such as a USB keyboard, USB mouse, USBstorage device, or USB printer.7. Power cord connector Connect the power cord to your computer for power supply.8. Padlock loop Lock the computer cover through a padlock.9. Security-lock slot Lock your computer to a desk, table, or other fixtures through a Kensington-stylecable lock.Chapter 1. Meet your computer 3