Rosewill Computer Case 422 Informações Técnicas Página 145
- Página / 150
- Índice
- RESOLUÇÃO DE PROBLEMAS
- MARCADORES
Avaliado. / 5. Com base em avaliações de clientes
956
video
multiple displays, 392-393
multi-scan monitor, 385
output devices, 380-381
touch screen displays,
383-384
performance, 404
pixels, 385-387
ports, 19-22, 36-37, 390-392
projectors, 394-395
quality, 380
refresh rate, 385
resolution, 385-388
SLI, 399
subsystem, 380
troubleshooting, 402-404
TV tuner cards, 398
vertical scan rate, 385
video capture cards, 398
web cams, 359-360
video capture cards, 398
video cards, PCIe, 152
Video Electronics Standards
Association. See VESA
viewable size, LCDs, 387
viewing
command prompts, 496
computer mappings, 509
computers through networks,
823
control panels, 599
file/directory attributes, 500
file extensions, 484
file paths, 486
flash internal memory, 227
group policies, 507
IP addresses, 773
MMC, 606
subnet masks, 750
system configuration
information, 514
taskbar, 538
TCP/IP statistics, 510
text files, 509, 515
users, 607
variables, 513
window thumbnails, 538
Windows Explorer, 487
security-related display
options, 820
Windows registry, 550
viewing angle, LCDs, 387
virtual machines, 494
configuring, 224
customizing, 642
icons, creating, 644
network connectivity, 594
snapshots, 643-644
Windows, installing, 640-641
virtual memory, 221
configuring, 304
hard drives, 304
PAE, 223
pages, 221
size, configuring, 221
swap files, 221
VMM, 304
Windows, 221-222
Virtual Memory Manager (VMM),
304
Virtual PC, requirements, 593
virtual private networks. See VPNs
virtualization, 57, 493-494
configuring, 99
connectivity, 594
enabling, 593
Hardware-Assisted Virtualiza-
tion Detection Tool, 594
host machines, 494
hypervisor, 494
hypervisors, types, 593
network issues, 770
operating system licenses, 593
snapshot, 494
system configuration, 451
virtual machines, 494
Virtual PC, requirements, 593
viruses, 594
VMware Workstation, install-
ing, 639-640
VMware Workstation virtual
machine, 640-644
Windows 7, 593
virus protection, BIOS settings, 98
viruses
antivirus programs, running,
587
antivirus security policies, 812
BIOS, 586
defined, 585
file, 586
hijack, 586
macros, 586
MBR, 586
phage, 586
polymorphic, 586
preventive maintenance, 133
removing, 819-820
reporting, 843
scanning for, 585
stealth, 586
symptoms, 586
Trojan horses, 586
types, 586
virtualization, 594
worms, 586
VLK (volume license key), 590
VMM (Virtual Memory Manager),
304
VMware Workstation
installing, 639-640
virtual machines, 640-644
voice grade cable, 735
voice recognition devices, 816
VoIP (Voice over IP), 348, 703-704,
777
voltage, 134-135
clamping, 156
voltage regulator module (VRM), 63
voltages, power supplies, 143
volts, 134
volume, muting, 348
volume license key (VLK), 590
volumes, 287, 290
VPNs (virtual private networks),
842-843
VRM (voltage regulator module), 63
vulnerability scanners, 842
W
Wake-on-LAN, NICs, 769
Wake on LAN power feature, 148
Wake on Ring power feature, 148
Wake Up on LAN power setting, 149
wallpaper, Windows desktop, 476
WANs (wide area networks), 728
- 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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