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Index
importing Windows registry sections
High-Definition Multimedia
Interface (HDMI) ports, 20
high-level formatting, hard drives,
293-294
high-voltage differential (HVD), 278
high-voltage power supplies (laser
printers), 414
hijack viruses, 586
hijacked browsers, 833-834
hijacked email accounts, 834
hijacking TCP/IP, 842
history, web browsing, 712
Hkey_Classes_Root subtree, 491
Hkey_Current_Config subtree, 491
Hkey_Current_User subtree, 491
Hkey_Local_Machine subtree, 491
Hkey_Users subtree, 491
HLP (Windows-based help file)
extension, 485
home pages (web browsers), 712
home screens, mobile devices, 480
home server computer systems
configuration, 452
home theater PCs (HTPCs), 452
homegroup networks, 588
accessing from Windows XP/
Vista, 782
creating, 781
horizontal scanning frequency, 385
host (IP addresses), 748
host machines, virtualization, 494
Host Protected Area (HPA), 289
hosted hypervisors. See Type 2
hypervisors
Hot Key Power On BIOS power set-
ting, 149
hot spots (wireless), 710
hot swapping
expansion cards, 75
RAID drives, 292
hotfixes, 595
HPA (Host Protected Area), 289
HT (Hyper-Threading Technology),
54
HTC TouchFlo, 14
HTML (Hypertext Markup Lan-
guage), 776
HTPCs (home theater PCs), 452
HTTP (Hypertext Transfer
Protocol), 778
HTTPS (HTTP over SSL), 778
hubs
Ethernet, 732
ICH, 77
IEEE 1394, 33
MCH, 77
star topologies, 733
switch advantage, 742
USB, 24
humidity, paper, 417
HVD (high-voltage differential), 278
hybrid topologies, 732
HyperTerminal program, 721-723
Hypertext Markup Language
(HTML), 776
Hypertext Transfer Protocol
(HTTP), 778
Hyper-Threading, configuring, 99
Hyper-Threading Technology
(HTT), 54
HyperTransport, 55
hypervisors, types, 593
I
ICH (I/O controller hub), 77
ICMP (Internet Control Message
Protocol), 776
icons
My Computer, missing, 523
Start menu (Windows Vista/7),
553-554
Start menu (Windows XP),
551-552
system tray, customizing, 603
VMware Workstation virtual
machines, creating, 644
Windows desktop, 474-476
Windows update notification,
596
IDE (integrated drive electronics),
259-263
40-pin cables, 260
ATA-1 standard, 260
ATA-5 standard, 260
eSATA, 262
installing, 273
partitions, 287
unmounting, 274
PATA, 259
cables, 260
installing, 266-270
motherboard connectors,
259
standards, 260
SATA, 261-263
cables, 262
connectors, 261-262
installing, 271-274
motherboard connectors,
259
IDE devices, configuring, 99
identifying problems, 184
IDs
process, listing, 514
SCSI, 276-279
configuration software, 279
electrical signals/
terminators, 277
priority levels, 276
terminating, 276-278
IEEE (Institute for Electrical and
Electronics Engineers), 742
IEEE 802 standards, 742-743
IEEE 1394 ports, 30, 36
cables, 30
connecting devices, 31-32
data transfer modes, 30
shutdown problems, 624
speeds, 30
standards, 31
system resources, 108
troubleshooting, 32-33
iLink. See IEEE 1394 ports
IMAP (Internet Message Access
Protocol), 778
impact printers, 407-408
advantages, 408
defined, 407
maintenance, 420
printheads, 407-408
printwires, 407
re-inking, 418
troubleshooting, 428
Important Updates (Windows
Update), 597
importing Windows registry
sections, 551
- 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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