3 Troubleshooting Tools

Diagnostic Lights

43

Dell Diagnostics

46

Dell Diagnostics Main Menu

46

Drivers

48

What Is a Driver?

48

Identifying Drivers

48

Reinstalling Drivers

48

Resolving Software and Hardware Incompatibilities

49

Restoring Your Operating System

50

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

63

Removing Memory

65

Cards

65

PCI Cards

66

PCI Express Cards

70

Contents

5

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Dell C7565 manual Resolving Software and Hardware Incompatibilities, Using Microsoft Windows XP System Restore