Dell T8144 Resolving Software and Hardware Incompatibilities, Before Working Inside Your Computer

3 Troubleshooting Tools

Diagnostic Lights	43
Dell Diagnostics	46
Dell Diagnostics Main Menu	46
Drivers	47
What Is a Driver?	47
Identifying Drivers	48
Reinstalling Drivers	48
Resolving Software and Hardware Incompatibilities	49
Restoring Your Operating System	49
Using Microsoft® Windows® XP System Restore	50
Using Dell™ PC Restore by Symantec	51

4 Removing and Installing Parts

Before You Begin	53
Recommended Tools	53
Turning Off Your Computer	53
Before Working Inside Your Computer	54
Front View of the Computer	55
Back View of the Computer	57
Removing the Computer Cover	59
Inside View of Your Computer	60
System Board Components	61
Memory	62
DDR2 Memory Overview	62
Addressing Memory With 4-GB Configurations	63
Installing Memory	64
Removing Memory	65
Cards	66
PCI Cards	66
PCI Express Cards	71

Contents

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