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Desktop Computer
Dell™ OptiPlex™ 320 User's Guide
About Your Desktop Computer
Inside Your Computer
About Your Desktop Computer
Front View
| 1 | USB 2.0 | Use the USB connectors on the front of the computer for devices that you | 
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 | connectors | connect occasionally, such as joysticks or cameras, or for bootable USB | 
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 | (2) | devices (see System Setup for more information about booting to a USB | 
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 | device). | 
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 | It is recommended that you use the USB connectors on the back panel | 
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 | for devices that typically remain connected, such as printers and | 
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 | keyboards. | 
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| 2 | This light flickers when the hard drive is being accessed. | |
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 | activity light | 
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| 3 | power button | Press this button to turn on the computer. | 
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 | NOTICE: To avoid losing data, do not turn off the computer by pressing | 
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 | the power button. Instead, perform an operating system shutdown. | 
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 | NOTICE: If your operating system has ACPI enabled, when you press | 
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 | the power button the computer will perform an operating system | 
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 | shutdown. | 
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| 4 | Dell badge | This badge can be rotated to match the orientation of your computer. To | 
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 | rotate the badge, place your fingers around the outside of the badge, | 
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 | press firmly, and turn the badge. You can also rotate the badge using | 
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 | the slot provided near the bottom of the badge. | 
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| 5 | power light | The power light illuminates and blinks or remains solid to indicate | 
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 | different operating states: | 
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 | • No light — The computer is turned off. | 
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 | • Steady green — The computer is in a normal operating state. | 
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 | • Blinking green — The computer is in a  | 
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 | • Blinking or solid amber — See Power Problems | 
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 | To exit from a  | 
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 | keyboard or the mouse if it is configured as a wake device in the | 
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 | Windows Device Manager. For more information about sleep modes and | 
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 | exiting from a  | 
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 | SeeSystem Lights" for a description of light codes that can help you | 
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 | troubleshoot problems with your computer. | 
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| 6 | diagnostic | Use the lights to help you troubleshoot a computer problem based on | 
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 | lights | the diagnostic code. For more information, see Diagnostic Lights. | 
| 7 | LAN indicator | This light indicates that a LAN (local area network) connection is | 
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 | light | established. | 
| 8 | headphone | Use the headphone connector to attach headphones. | 
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 | connector | 
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| 9 | floppy drive | Insert a floppy disk into this drive. | 
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