Dell Dimension E521 Owner's Manual - Page 5
Troubleshooting Tools, Removing and Installing Parts, Using the Operating System CD - drivers
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Power Problems 43 Printer Problems 44 Scanner Problems 45 Sound and Speaker Problems 46 No sound from speakers 46 No sound from headphones 47 Video and Monitor Problems 47 If the screen is blank 47 If the screen is difficult to read 48 3 Troubleshooting Tools 49 Diagnostic Lights 49 Dell Diagnostics 52 Dell Diagnostics Main Menu 52 Drivers 53 What Is a Driver 53 Identifying Drivers 53 Reinstalling Drivers 54 Resolving Software and Hardware Incompatibilities 55 Restoring Your Operating System 55 Using Microsoft Windows XP System Restore 56 Using Dell PC Restore 57 Using the Operating System CD 59 4 Removing and Installing Parts 61 Before You Begin 61 Recommended Tools 61 Turning Off Your Computer 61 Before Working Inside Your Computer 62 Removing the Computer Cover 63 Inside View of Your Computer 64 System Board Components 65 Contents 5
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