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Dell HW049, MTG24, A2420 setup guide Hardware Troubleshooter

Models: A2420 HW049 MTG24

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Using Support Tools

NOTE: If the message you received is not listed in the following examples, see the documentation for either the operating system or the program that was running when the message appeared. Alternatively you could see the Service Manual on the Dell Support website at support.dell.com or see “Contacting Dell” on page 53 for assistance.

Alert! Previous attempts at booting this system have failed at checkpoint [nnnn]. For help

in resolving this problem, please note this checkpoint and contact Dell Technical Support — The computer failed to complete the boot routine three consecutive times for the same error. See “Contacting Dell” on page 53 for assistance.

CMOS checksum error — Possible motherboard failure or RTC battery low. Replace the battery. See “Contacting Dell” on page 53 for assistance.

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CPU fan failure — CPU fan has failed. See “Contacting Dell” on page 53 for assistance.

Hard-disk drive failure — Possible hard disk drive failure during HDD POST. See “Contacting Dell” on page 53 for assistance.

Hard-disk drive read failure — Possible hard disk drive failure during HDD boot test. See “Contacting Dell” on page 53 for assistance.

No timer tick interrupt — A chip on the system board might be malfunctioning or there may be a system board failure. See “Contacting Dell” on page 53 for assistance.

USB over current error — Disconnect the USB device. Your USB device needs more power for it to function properly. Use an external power source to connect the USB device, or if your device has two USB cables, connect both of them.

Hardware Troubleshooter

If a device is either not detected during the operating system setup or is detected

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Dell HW049, MTG24, A2420 setup guide Hardware Troubleshooter

Contents

XPS One Page XPS One March 2009 P/N HW049 Rev. A01 Contents Contents Setting Up Your XPS One Computer Before Setting Up Your 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 Using Your XPS One Front View FeaturesSpeakers Using Your XPS One Left Side Features Headphone or line-out connector Connects to headphones Back Panel Connectors 987 Power connector Connects your computer to the AC power cable Wireless Keyboard Using the Touch Pad Customizing the Touch Pad Using the Optical Disc Drive Audio Composite video Video IR connectorTV Input Device Optional Entertainment and Multimedia Software FeaturesProductivity and Communication Customizing the Desktop Customizing Your Energy Settings Connect to the Internet OptionalBacking Up Your Data Setting Up a Wired Internet Connection Setting Up a Wireless Connection Setting Up Your Internet Connection Click Start → Connect To Solving Problems Wireless Keyboard or Mouse Problems Network Problems Solving Problems Power Problems Memory Problems If you experience other memory problemsIf you receive an insufficient memory message Click Applications Click End Task Solving Problems Solving Problems Using Support Tools Dell Support CenterBeep Codes System Messages Code Repetitive Description short beeps Hardware Troubleshooter Dell Diagnostics Starting Dell Diagnostics From Your Hard DriveClick Start → Help and Support Insert the Drivers and Utilities media System Recovery Options System Restore Undoing the Last System Restore Dell Factory Image RestoreStarting System Restore Click Undo my last restoration and click Next Dell Factory Image Restore Reinstalling Windows Vista Before You Begin Click Exit if the Install Windows message appears Getting Help DellConnect ServiceOnline Services Support.dell.com Mobilesupport@us.dell.com Support@us.dell.com Automated Order-Status ServiceProduct Information Ftp.dell.com Returning Items for Repair Under Warranty or for Credit Diagnostic Checklist Before You Call Contacting Dell Visit support.dell.com Finding More Information and Resources If you need to SeeAt support.dell.com Finding More Information and Resources If you need to Specifications System ModelDrives and Devices Memory External Connectors Audio Lvds Display Power Physical Computer Environment Appendix Macrovision Product Notice Index Index ISP Index Index Page Page 0HW049A01 Page 0HW049A01 Page 0HW049A01 Page 0HW049A01 Page Printed on recycled paper