Dell DHP, T8243 manual Resolving Software and Hardware Incompatibilities

3 Troubleshooting Tools

Diagnostic Lights	43
Dell Diagnostics	46
When to Use the Dell Diagnostics	46
Dell Diagnostics Main Menu	46
Drivers	47
What Is a Driver?	47
Reinstalling Drivers	48
Resolving Software and Hardware Incompatibilities	49
Restoring Your Operating System	49
Using Microsoft Windows XP System Restore	49

4 Removing and Installing Parts

Before You Begin	53
Recommended Tools	53
Turning Off Your Computer	53
Before Working Inside Your Computer	53
Front and Back View of the Computer	55
Front View	55
Back View	57
Removing the Computer Cover	59
Inside View of Your Computer	61
System Board Components	62
Memory	63
DDR2 Memory Overview	63
Addressing Memory With 4-GB Configurations	64
Installing Memory	64
Removing Memory	66
Cards	66
PCI Express Cards	67

Contents

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