Power Problems | Dell A2420, HW049, MTG24 manual

•Yellow — A good connection exists between a 1000-Mbps network and the computer.

•Off — The computer is not detecting a physical connection to the network.

NOTE: The link integrity light on the network connector is only for the wired cable connection. The link integrity light does not provide status for wireless connections.

Power Problems

If the power light is off — The computer is either turned off or is not receiving power.

•Reseat the power cable into both the power connector on the computer and the electrical outlet.

•If the computer is plugged into a power strip, ensure that the power strip is plugged into an electrical outlet and that the power strip is turned on. Also bypass power protection devices, power strips, and power extension cables to verify that the computer turns on properly.

Solving Problems

•Ensure that the electrical outlet is working by testing it with another device, such as a lamp.

•Contact Dell, see “Contacting Dell” on page 53.

If the power light is blue and the computer is not responding —

•Ensure that the display is powered on.

•If the display is connected and powered on contact Dell, see “Contacting Dell” on page 53.

If the power light is blinking blue — The computer is in sleep state. Press a key on the keyboard, move the pointer using the touch pad or a connected mouse, or press the power button to resume normal operation.

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Dell A2420, HW049, MTG24 setup guide Power Problems

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 Computer Mouse 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 Connectors Power connector Connects your computer to the AC power cable Wireless Keyboard Customizing the Touch Pad Using the Touch Pad TV Input Device Optional Using the Optical Disc DriveAudio Composite video Video IR connector Customizing the Desktop Software FeaturesProductivity and Communication Entertainment and Multimedia Backing Up Your Data Customizing Your Energy SettingsConnect to the Internet Optional Setting Up a Wireless Connection Setting Up a Wired Internet Connection Click Start → Connect To Setting Up Your Internet Connection Wireless Keyboard or Mouse Problems Solving Problems Solving Problems Network Problems Power Problems If you receive an insufficient memory message Memory ProblemsIf you experience other memory problems Click End Task Click Applications Solving Problems Solving Problems Beep Codes Using Support ToolsDell Support Center Code Repetitive Description short beeps System Messages Hardware Troubleshooter Click Start → Help and Support Dell DiagnosticsStarting Dell Diagnostics From Your Hard Drive Insert the Drivers and Utilities media System Restore System Recovery Options Click Undo my last restoration and click Next Dell Factory Image RestoreStarting System Restore Undoing the Last System Restore Dell Factory Image Restore Before You Begin Reinstalling Windows Vista Click Exit if the Install Windows message appears Getting Help Support.dell.com ServiceOnline Services DellConnect Ftp.dell.com Automated Order-Status ServiceProduct Information Mobilesupport@us.dell.com Support@us.dell.com Returning Items for Repair Under Warranty or for Credit Before You Call Diagnostic Checklist Visit support.dell.com Contacting Dell At support.dell.com Finding More Information and ResourcesIf you need to See If you need to Finding More Information and Resources Drives and Devices SpecificationsSystem Model Memory Audio External Connectors Display Lvds Physical Power Computer Environment Macrovision Product Notice Appendix Index Index ISP Index Index Page Page 0HW049A01 Page 0HW049A01 Page 0HW049A01 Page 0HW049A01 Page Printed on recycled paper