Rosewill Computer Case 422 Información técnica Pagina 105
- Pagina / 150
- Tabla de contenidos
- SOLUCIÓN DE PROBLEMAS
- MARCADORES
Valorado. / 5. Basado en revisión del cliente
916
cables
straight-through CAT 5 UTP,
creating, 792-794
tools, 740
twisted-pair, 734
wiring standards, 735
PATA, 260
PATA IDE, 267-269
pin 1, 125
power supplies, 454
projectors, 394
reassembling, 132
removing, 124-125
SATA, 262, 271
SCSI, 279
serial, 697
sound designs, 458
straight through, 735
twisted-pair, 734-736
USB, 23-24
video, 391-392
cache memory, 51-52
adding, 220
Cached Physical Memory field (Task
Manager Performance tab), 223
caches, creating, 304
calibrating batteries, mobile de-
vices, 145
cameras. See digital cameras
Cancel buttons, Windows dialog
boxes, 479
capacities (memory), 209
capacitive keyboards, 13
capacitive touch screens, 383-384
capacitors, 135
capitalization, command prompts,
496
CardBus, 75
cards
CompactFlash, 226
microSD, 226
miniSD, 226
NICs. See NICs
POST, 187
SD, 226
smart, 813
sound, 345-348
TV tuner, 398
video capture, 398
xD, 226
Carrier Sense Multiple Access/
Collision Avoidance (CSMA/CA),
764
Carrier Sense Multiple Access/Colli-
sion Detection (CSMA/CD), 741
cartridges (ink)
inkjet printers, 410
recycling, 417
refilling, 417-418
toner
defined, 414
refilling, 418
spills, 416
troubleshooting, 429
cases
cleaning, 132
design components, 455-456
removing, 124
CAT 5 cables, 735
cathode ray tubes. See CRTs
CCFL (cold cathode fluorescent
lamp), 381
cd command, 498, 502
CD drives, 334
CDFS (Compact Disk File System),
284
CDMA (Code Division Multiple Ac-
cess), 776
CDs (compact discs), 334. See also
ODDs
burning, 337
cleaning, 133, 342-343
handling, 342
labeling, 338
sound, enabling, 343-345
writeable, 335
Celeron/Mobile Intel processors, 49
center frequencies, 758
central processing unit (CPU). See
processors
centralized data storage, 303
Centrino Intel processors, 49
CERT (U.S. computer emergency
readiness team), 843
certified W-USB, 26
CF (Compact Flash), 226, 358
channel IDs, access points, 757-759
characters, filenames/folder names,
484
charging laser printers, 412
checkboxes in Windows dialog
boxes, 480
checking disks, 503
child exploitation, reporting, 843
chipsets
defined, 76
design components, 453-454
function, 77
ICH, 77
locating, 77
manufacturers, 76
MCH, 77
Z277, 77
chkdsk command, 300, 503
chkntfs command, 503
choosing
cases, 455
chipsets, 453
memory, 453
power supplies, 454-455
processors, 453
speakers, 351
cipher command, 503-504
CL (column address strobe [CAS]
latency), 216-217
CL ratings, memory, 216-217
clamping speed, 156
clamping voltage, 156
classes (IPv4 addresses), 747
clean installations
Windows, 580-582
Windows XP, 636-637
cleaning
aerosol can disposal, 133
cases, 132
contacts, 133
dirt removal, 133
discs, 342-343
displays, 395
floppy drives, 132, 252
inside of computers, 132
keyboards, 18, 132
laser lens (ODDs), 343
laser printers, 413-414
LCD monitors, 133
mice, 18
MSDs, 133
optical lens, 133
printers, 420-421
- 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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