Dell Precision 620 User's Guide download pdf (Page 25)

Dell™OptiPlex™GX620SystemsUser'sGuide 
 
 
Notes, Notices, and Cautions 
Abbreviations and Acronyms 
For a complete list of abbreviations and acronyms, see the Glossary. 
IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft
®
 Windows
®
 operating systems are not applicable.
 
Information in this document is subject to change without notice. 
©2005–2006DellInc.Allrightsreserved. 
Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. 
Trademarks used in this text: Dell, the DELL logo, OptiPlex, Inspiron, Dimension, Latitude, Dell Precision, DellNet, TravelLite, Dell OpenManage, PowerVault, Axim, PowerEdge, PowerConnect, 
and PowerApp are trademarks of Dell Inc.; Intel, Pentium, and Celeron are registered trademarks of Intel Corporation; Microsoft, MS-DOS, and Windows are registered trademarks of 
Desktop Computer 
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Finding Information 
Before You Begin 
Recommended Tools  
Turning Off Your Computer  
Before Working Inside Your Computer  
Chassis Intrusion Switch 
Removing the Chassis Intrusion Switch  
Replacing the Chassis Intrusion Switch  
Resetting the Chassis Intrusion Detector  
Desktop Computer 
About Your Desktop Computer  
Inside Your Computer  
Desktop Computer Specifications  
Removing the Computer Cover  
I/O Panel  
Drives  
PCI and PCI Express Cards and Serial Port Adapters  
Power Supply  
Processor  
Advanced Features 
LegacySelect Technology Control  
Manageability  
Security  
Password Protection  
System Setup  
Booting to a USB Device  
Clearing Forgotten Passwords  
Clearing CMOS Settings  
Hyper-Threading  
Power Management  
Battery 
Replacing the Battery  
Replacing the System Board 
Memory 
DDR2 Memory Overview  
Addressing Memory With 4-GB Configurations  
Removing Memory  
Replacing/Adding Additional Memory  
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Replacing the Computer Cover 
Cleaning Your Computer 
Reinstalling Drivers and the Operating System 
Drivers  
Using Microsoft®Windows®XP System Restore  
Reinstalling Microsoft Windows XP  
Solving Problems 
Battery Problems  
Drive Problems  
Keyboard Problems  
Lockups and Software Problems  
Memory Problems  
Mouse Problems  
Network Problems  
Power Problems  
Printer Problems  
Restoring Default Settings  
Serial or Parallel Device Problems  
Sound and Speaker Problems  
Video and Monitor Problems  
Microsoft®Windows®XP Features 
Transferring Information to a New Computer  
User Accounts and Fast User Switching  
Setting Up a Home and Office Network  
Glossary 
Troubleshooting Tools and Utilities 
Dell Diagnostics  
System Lights  
Diagnostic Lights  
Beep Codes  
Error Messages  
Resolving Software and Hardware Incompatibilities  
Getting Help 
Technical Assistance  
Problems With Your Order  
Product Information  
Returning Items for Warranty Repair or Credit  
Before You Call  
Contacting Dell  
Warranty 
FCC Notices (U.S. Only) 
 
NOTE: A NOTE indicates important information that helps you make better use of your computer.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
 
CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.