Dell GX280DT User Guide - Page 158

Back to Contents Page About Your Small Desktop Computer Dell™ OptiPlex™ GX280 Systems User's Guide Front View Back View Inside Your Computer System Board Components Attaching and Removing the Computer Stand Front View 1 front-panel door Open the door to use the front-panel connectors. 2 headphone connector Use the headphone connector to attach headphones and most kinds of speakers. 3 USB 2.0 Use the front USB connectors for devices that you connect occasionally, connectors (2) such as joysticks or cameras, or for bootable USB devices (see "System Setup" for more information about booting to a USB device). It is recommended that you use the back USB connectors for devices that typically remain connected, such as printers and keyboards. 4 CD/DVD drive Press to eject a CD or DVD from the drive. eject button 5 floppy-drive Press to eject a floppy disk from the floppy drive. eject button 6 floppy-drive activity light The floppy drive light is on when the computer reads data from or writes data to the floppy drive. Wait until this light turns off before you remove the floppy disk from the drive. 7 hard-drive activity light The hard drive light is on when the computer reads data from or writes data to the hard drive. The light might also be on when a device such as your CD player is operating. 8 power button Press to turn on the computer. NOTICE: To avoid losing data, do not turn off the computer by pressing the power button for 6 seconds or longer. Instead, perform an operating system shutdown. 9 power light NOTICE: If your operating system has ACPI enabled, when you press the power button the computer will perform an operating system shutdown. The power light illuminates and blinks or remains solid to indicate different states: ¡ No light - The computer is turned off. (S4, S5, or mechanical OFF) ¡ Steady green - The computer is in a normal operating state. ¡ Blinking green - The computer is in a power-saving state. (S1 or S3) ¡ Blinking or solid amber - See "Power Problems."