Rosewill Computer Case 422 Información técnica Pagina 100
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- Tabla de contenidos
- SOLUCIÓN DE PROBLEMAS
- MARCADORES
Valorado. / 5. Basado en revisión del cliente
Index
Symbols
3 UTP cable, 735
4GB RAM, 214
5 UTP cable, 735
6 UTP cables, 735
6a UTP cables, 735
8-bit sound cards, 346
10BaseT, 741
10GBaseER Ethernet, 742
10GBaseLR Ethernet, 741
10GBaseLX4 Ethernet, 741
10GBaseSR Ethernet, 741
10GBaseT Ethernet, 742
16-bit
sound cards, 347
Windows XP, 576
32-bit
video processors, 398
Windows Vista/7, 578
Windows XP, 576
40-pin cables (IDE), 260
56K point to point connections,
783
56Kbps modems, 701-702
64-bit
video processors, 398
Windows Vista/7, 578
100BaseT Ethernet, 741
802.11-based wireless networks,
764
1000BaseLX Ethernet, 741
1000BaseSX Ethernet, 741
1000BaseT Ethernet, 741
! (exclamation points), Device
Manager, 104
/ (forward slash), commands, 500
μPGA (micro pin grid array)
sockets, 57
Ω (Greek omega symbol) (ohms),
136
| (pipe), commands, 500
A
AAX (audible enhanced audio file)
extension, 485
AC (alternating current), 134
adverse power conditions,
154-155
AC circuit testers, 153
AC to DC power conversion, 141
Accelerated Graphics Port. See
AGP
accelerated processing units. See
APUs
accelerometers, 383
acceptable use security policies,
812
access
attacks, 841
physical
locking computers, 816
security, 812
principle of least privilege, 828
protecting
auditing, 826
authentication, 823
authorization, 823
files/folders, 826-827
user IDs/passwords,
823-826
remote
Remote Assistance, 630-631
Remote Desktop, 630-631,
687-689
security policies, 812
access points. See APs
access time (memory), 216
accessibility
Windows 7 Ease of Access,
configuring, 650-653
Windows XP, configuring,
648-649
Accessibility Options control panel,
521, 648-649
accessing
Add or Remove Programs
control panel, 605
Administrator accounts
(Windows XP), 474
Advanced Boot Options, 610
command prompts, 496, 504
Event Viewer, 620
MMC, 662
Recovery Console, 495
remote network devices, 514
Setup program, 95
shares, 780
Task Manager, 619
web cams on PCs, 359-360
Windows 7 MMC, 666
Windows Update, 596
- 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 Certication 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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