14 Quick Reference Guidew w w . d e l l . c o m | s u p p o r t . d e l l . c o m Small Form Factor Computer — Front View893514611 10271 USB 2.0 connectors (2) Connect USB devices such as a mouse, keyboard, memory key, printer, joystick,and computer speakers into either of the USB connectors.It is recommended that you use the back USB connectors for devices that typicallyremain connected, such as printers and keyboards.2 power button Press this button to turn on the computer.NOTICE: To avoid losing data, do not turn off the computer by pressing thepower button for 6 seconds or longer. Instead, perform an operating systemshutdown.NOTICE: If your operating system has ACPI enabled, when you press the powerbutton the computer will perform an operating system shutdown.3 Dell badge The badge can be rotated to match the orientation of your computer. To rotatethe badge, place fingers around the outside of the badge, press firmly, and turn thebadge. You can also rotate the badge using the slot provided near the bottom ofthe badge.4 LAN indicator light This light indicates that a LAN (network) connection is established.5 diagnostic lights Use the lights to help you troubleshoot a computer problem based on thediagnostic code. For more information, see "Diagnostic Lights" on page 37.6 hard-drive activity light This light flickers when the hard drive is in use.