manuais Rosewill Computer Case 422

Rosewill Computer Case 422 Informações Técnicas (150 páginas)

Marca: Rosewill | Categoria: Extensões elétricas | Tamanho: 5.64 MB |

Inglês

Índice

Guide to PCs

2

Complete CompTIA

3

Contents at a Glance

4

Contents

10

Contents

11

About the Author

19

Dedication

20

Acknowledgments

20

We Want to Hear from You!

21

Reader Services

21

It Pays to Get Certified

22

CompTIA Career Pathway

23

Steps to Certication

23

Content Seal of Quality

24

Why CompTIA?

24

Introduction

25

Organization of the Text

26

Features of This Book

27

IT work

31

CompTIA A+ Exam Objectives

32

CompTIA Exam Objectives

33

Disassembly

36

Disassembly Overview

37

Electrostatic Discharge (ESD)

37

Opening the Case

41

Cables and Connectors

41

Snug connections

43

Storage Devices

45

Motherboards

46

Mobile Device Issues

47

Reassembly

49

Preventive Maintenance

49

Basic Electronics Overview

51

Electronics Terms

51

Good connection Broken wire

53

Power Supply Overview

54

Power Supply Form Factors

55

Tech Tip

56

Purposes of a Power Supply

58

Power Supply Voltages

60

Mobile Device Power

61

Keep Li-ion batteries cool

63

Power Interface)

64

Windows power management

65

Watch the wattage

68

Solving Power Supply Problems

70

Adverse Power Conditions

71

Adverse Power Protection

72

Surge Protectors

72

Line Conditioners

74

Figure 4.32 Line conditioner

75

Figure 4.33 Sine wave and

75

Standby Power Supply (SPS)

77

Electrical Fires

78

Computer Disposal/Recycling

79

Chapter Summary

81

Review Questions

82

Exercises

85

External Cables

86

Computer Case Removal

86

Adapter Placement

86

Motherboard

88

Lab 4.3 Amps and Wattage

89

Lab 4.4 Continuity Check

89

Lab 4.5 Pin-Out Diagramming

90

Lab 4.6 Fuse Check

91

Lab 4.7 Using a Multimeter

91

Figure 4.38 AC outlet

93

GND to hot 120VAC

93

GND to neutral 0VAC

93

Hot to neutral 120VAC

93

+5 volts

95

+12 volts

95

Activities

97

Critical Thinking Skills

99

A+ Certification Exam Tips

99

Complete PC Restore tool

107

FireWire

114

IRQs (Interrupt Requests)

120

PBs (petabytes)

129

Setup program

136

SSDs (solid state drives)

138

SSDs (solid state drives)

139

TBs (terabytes)

140

troubleshooting

143

video

145

Windows

147

Windows Vista

148

Windows Vista

149

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