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•Audio 
(light blue jack) located on the rear panel of your computer
Connecting USB devices
Universal Serial Bus (USB) is a serial bus design capable of cascading peripherals such as a digital camera, keyboard, mouse, joystick, scanner, printer and modem. With USB, complex cable connections can be eliminated.
Your computer comes with eight external USB ports: four on the front and four on the rear panel. These ports support USB 2.0
To connect a USB device, simply plug the device cable into any of the USB ports 
(black) located on the front and rear panels of your computer.
