Rosewill Computer Case 422 Technické informace Strana 144
- Strana / 150
- Tabulka s obsahem
- ŘEŠENÍ PROBLÉMŮ
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
955
Index
video
Windows, 580-581
Windows XP, 581, 638
UPSs (Uninterruptible Power
Supplies), 158-159
upstream, cable modems, 705
upstream ports, 23
USB (Universal Serial Bus), 22
USB devices
configuring, 98
flash drives, 227
installing, 25
printers, 405
installing, 418-420
troubleshooting, 427-428
removing, 25, 347
scanners, 355
troubleshooting, 27-28
USB OTG (on-the-go), 26
USB ports, 36
3.0, 23
cabling rules, 24
configuring, 98
converters, 25
defined, 22
devices supported, 22
hubs, 24
installing extra, 26
maximum cable length, 23
mini, 25
on-the-go, 26
printers, troubleshooting,
427-428
scanners, 355
shutdown problems, 624
sound, 349
speeds, 23
troubleshooting, 27-28
upstream/downstream, 23
versions, 23
wireless, 26
USB-to-serial converters, 697
U.S. computer emergency readiness
team (CERT), 843
User Account Control. See UAC
User Accounts and Family Safety
control panel, 530
User and Passwords control panel,
521
User Datagram Protocol (UDP), 777
user IDs, protecting, 823-826
user profiles, 490
users
account control. See UAC
adding
Windows 7, 666-667
Windows XP, 663
Administrators, 825
groups, 664, 825
Windows 7, 667-668
Windows XP, 664
guest, 825
guest accounts, 608
local settings, 608
logging on to Windows, 580
power users, 825
remote desktop, 825
standard, 825
standard accounts versus
Administrator accounts, 608
viewing, 607
Windows user rights
assignment settings, 867
USMT (User State Migration Tool),
582
USS (universal security slot), 817
utilities. See programs
UTP (unshielded twisted-pair), 734
CAT 5
crossover, creating, 795-797
straight-through, creating,
792-794
categories, 735
installing, 736
plenum, 735
PVC, 735
sizes, 734
wiring standards, 735
V
VA (vertical alignment), 388
variables, viewing, 513
VDSL, 706
verification, Windows installations,
590
verifying
Administrative Tools, 657
firewalls, 838
full system functionality trou-
bleshooting step, 191
NICs installation, 792
resources, Device Manager, 104
startup folders, 670
Windows versions, 490
Windows Vista/7 component
installation, 659-662
Windows XP components in-
stallation, 658
versions
WEP, 845
Windows, verifying, 490
Windows 7, 577-578
Windows Vista, 577-578
Windows XP, 576
vertical alignment (VA), 388
vertical scan rate, 385
VESA (Video Electronics Standards
Association), 22
VESA DisplayPorts, 22
VGA ports, 19, 391
video
adapters, 397-401
AGP adapters, power consump-
tion, 152
audio/video editing PCs, 451
BIOS settings, 98
CrossFireX, 399
CRTs, cleaning, 396
Degauss, 385
digital recorders (DVRs), 452
displays
cleaning, 395
design components, 459-460
energy efficiency, 396
preventive maintenance,
395-396
privacy, 397
horizontal scanning frequency,
385
image quality, configuring, 386
interlacing, 385
LCDs, 386-388
media players, 452
memory, 399-400
mobile devices, multitasking
gestures/screen rotation
settings, 386
- 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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