Dell A2420, HW049, MTG24 setup guide Headphone or line-out connector Connects to headphones

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4 Headphone or line-out connector — Connects to headphones.

NOTE: To connect to a powered speaker or sound system, use the audio out or S/PDIF connector on the back of your computer

5 Microphone or line-in connector — Connects to a microphone for voice or to an audio cable for audio.

6 Hard drive activity light — Turns on when the computer reads or writes data. A flashing light indicates hard drive activity.

NOTICE: To avoid loss of data, never turn off the computer while the hard drive activity light is flashing.

Using Your XPS One

7 Power button and light — Turns the power on or off when pressed. The light in the center of this button indicates the power state:

•Blinking blue — the computer is in sleep state.

•Solid blue — the computer is in power- on state.

•Solid amber — the system board cannot start initialization. There may be an issue with either the system board or power supply.

8 Wireless sync button — A wireless connection can be established between your wireless keyboard and mouse and your computer. Press the sync button on the back of your computer, then press the sync button on the device that you wish to use.

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Contents XPS One Page XPS One March 2009 P/N HW049 Rev. A01 Contents Contents Before Setting Up Your Computer Setting Up Your XPS One ComputerMouse Turn on the wireless keyboard and mouse Connect the Network Cable Optional Connect the Power Cable Press the Computer Power Button Windows Vista Setup Set Up Media Center For Use With Optional TV Tuner Setting Up Your XPS One Computer Setting Up Your XPS One Computer Setting Up Your XPS One Computer Install the batteries included Setting Up Your XPS One Computer Speakers Using Your XPS OneFront View Features Using Your XPS One Left Side Features Headphone or line-out connector Connects to headphones 987 Back Panel ConnectorsPower connector Connects your computer to the AC power cable Wireless Keyboard Customizing the Touch Pad Using the Touch PadTV Input Device Optional Using the Optical Disc DriveAudio Composite video Video IR connector Customizing the Desktop Software FeaturesProductivity and Communication Entertainment and MultimediaBacking Up Your Data Customizing Your Energy SettingsConnect to the Internet Optional Setting Up a Wireless Connection Setting Up a Wired Internet ConnectionClick Start → Connect To Setting Up Your Internet ConnectionWireless Keyboard or Mouse Problems Solving ProblemsSolving Problems Network ProblemsPower Problems If you receive an insufficient memory message Memory ProblemsIf you experience other memory problems Click End Task Click ApplicationsSolving Problems Solving Problems Beep Codes Using Support ToolsDell Support Center Code Repetitive Description short beeps System MessagesHardware Troubleshooter Click Start → Help and Support Dell DiagnosticsStarting Dell Diagnostics From Your Hard Drive Insert the Drivers and Utilities media System Restore System Recovery OptionsClick Undo my last restoration and click Next Dell Factory Image RestoreStarting System Restore Undoing the Last System RestoreDell Factory Image Restore Before You Begin Reinstalling Windows VistaClick Exit if the Install Windows message appears Getting Help Support.dell.com ServiceOnline Services DellConnectFtp.dell.com Automated Order-Status ServiceProduct Information Mobilesupport@us.dell.com Support@us.dell.comReturning Items for Repair Under Warranty or for Credit Before You Call Diagnostic ChecklistVisit support.dell.com Contacting DellAt support.dell.com Finding More Information and ResourcesIf you need to See If you need to Finding More Information and ResourcesDrives and Devices SpecificationsSystem Model Memory Audio External ConnectorsDisplay LvdsPhysical PowerComputer Environment Macrovision Product Notice AppendixIndex Index ISP Index Index Page Page 0HW049A01 Page 0HW049A01 Page 0HW049A01 Page 0HW049A01 Page Printed on recycled paper