Creating a Restore Point

Mouse Problems

48

Network Problems

49

PC Card Problems

50

Power Problems

51

Printer Problems

52

Scanner Problems

53

Sound and Speaker Problems

54

Video and Monitor Problems

55

If the screen is blank

55

If the screen is difficult to read

56

3Advanced Troubleshooting

Diagnostic Lights . . . . . . . . . . . . . . . . . . . .

Using System Restore . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . .

Restoring the Computer to an Earlier Operating State

. . . . . .

60

. . . . . .

62

. . . . . .

62

. . . . . .

62

Undoing the Last System Restore

Dell Diagnostics . . . . . . . . . . .

When to Use the Dell Diagnostics Starting the Dell Diagnostics . .

Drivers . . . . . . . . . . . . . . .

What Is a Driver? . . . . . . . .

Identifying Drivers . . . . . . .

Reinstalling Drivers . . . . . . .

. . . . . . . . . .

. . . . . . . . . .

. . . . . . . . . .

. . . . . . . . . .

. . . . . . . . . .

. . . . . . . . . .

. . . . . . . . . .

. . . . . . . . . .

. . . . . . 63

. . . . . .

64

. . . . . .

64

. . . . . .

65

. . . . . .

67

. . . . . .

67

. . . . . .

68

. . . . . .

68

Resolving Software and Hardware Incompatibilities

70

Reinstalling Windows® XP

71

Contents

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Dell 6M515, 4500C manual Advanced Troubleshooting