CompTIA A+ Essential 2006 Examination Objectives | p. vii |
CompTIA A+ 220-602 2006 Examination Objectives | p. xix |
CompTIA A+ 220-603 2006 Examination Objectives | p. xxvii |
CompTIA A+ 220-604 2006 Examination Objectives | p. xxxiv |
Introduction | p. xxxix |
Hardware Needs Software to Work | p. 1 |
Hardware Needs Software to Work | p. 2 |
PC Hardware Components | p. 3 |
Hardware Used for Input and Output | p. 4 |
Hardware Inside the Computer Case | p. 7 |
The Motherboard | p. 8 |
The Processor and the Chipset | p. 10 |
Storage Devices | p. 11 |
Motherboard Components Used for Communication Among Devices | p. 18 |
Interface (Expansion) Cards | p. 23 |
The Electrical System | p. 24 |
Instructions Stored on the Motherboard and Other Boards | p. 26 |
PC Repair Fundamentals | p. 35 |
PC Support Technician Tools | p. 36 |
Recovery CDs | p. 37 |
Loop-back Plugs | p. 38 |
Cleaning Pads and Solutions | p. 38 |
Post Diagnostic Cards | p. 40 |
Personal Computer Preventive Maintenance | p. 40 |
When a PC Is Your Permanent Responsibility | p. 41 |
Creating a Preventive Maintenance Plan | p. 45 |
Dealing with Dust | p. 47 |
Preparing a Computer for Shipping | p. 48 |
Disposing of Used Equipment | p. 49 |
How to Work Inside a Computer Case | p. 49 |
Static Electricity | p. 50 |
Steps to Take apart a Computer | p. 54 |
Steps to Put a Computer Back Together | p. 64 |
Understanding the Boot Process | p. 66 |
Booting a Computer | p. 66 |
Choosing Between a Hard Boot and a Soft Boot | p. 66 |
The Startup BIOS Controls the Beginning of the Boot | p. 67 |
Changing the Boot Sequence | p. 71 |
How to Troubleshoot a PC Problem | p. 72 |
Steps to Solving a PC Problem | p. 73 |
Troubleshooting a Failed Boot | p. 78 |
My Computer Won't Boot | p. 78 |
Troubleshooting Major Subsystems Used for Booting | p. 79 |
Form Factors and Power Supplies | p. 89 |
Computer Case, Motherboard, and Power Supply Form Factors | p. 90 |
Types of Form Factors | p. 91 |
Types of Cases | p. 98 |
Measures and Properties of Electricity | p. 101 |
AC and DC | p. 101 |
Hot, Neutral, and Ground | p. 102 |
Some Common Electronic Components | p. 104 |
Protecting Your Computer System | p. 106 |
Static Electricity | p. 107 |
EMI (Electromagnetic Interference) | p. 107 |
Surge Protection and Battery Backup | p. 107 |
Surge Suppressors | p. 108 |
Energy Star Systems (The Green Star) | p. 111 |
Power-Management Methods and Features | p. 112 |
Energy Star Monitors | p. 114 |
Troubleshooting the Electrical System | p. 115 |
Problems with External Power | p. 115 |
Problems with Loose Internal Connections | p. 116 |
Problems That Come and Go | p. 116 |
Problems with an Inadequate Power Supply | p. 117 |
Problems with the Power Supply, Boards, or Drives | p. 117 |
Problems with the Power Supply Fan | p. 117 |
Power Problems with the Motherboard | p. 118 |
Problems with Overheating | p. 118 |
Replacing the Power Supply | p. 121 |
Processors and Chipsets | p. 129 |
Processors | p. 130 |
How a Processor Works | p. 131 |
The Intel Processors | p. 138 |
AMD Processors | p. 142 |
VIA and Cyrix Processors | p. 144 |
Processor Sockets and Slots | p. 148 |
The Chipset | p. 150 |
Heat Sinks and Cooling Fans | p. 153 |
Installing a Processor | p. 157 |
Voltage to the Processor | p. 157 |
CPU Voltage Regulator | p. 158 |
Installing a Pentium II in Slot 1 | p. 159 |
Installing a Pentium 4 in Socket 478 | p. 162 |
Installing a Pentium 4 in Socket 775 | p. 164 |
Chapter 5 | p. 175 |
Selecting a Motherboard | p. 176 |
Configuring and Supporting a Motherboard | p. 181 |
Buses and Expansion Slots | p. 181 |
Hardware Configuration | p. 188 |
Flashing ROM BIOS | p. 199 |
Motherboard Drivers | p. 202 |
Replacing a Motherboard | p. 202 |
Preparing the Motherboard to Go into the Case | p. 204 |
Installing the Motherboard in the Case | p. 205 |
Completing the Installation | p. 210 |
Troubleshooting the Motherboard and Processor | p. 210 |
Problems with Installations | p. 211 |
Problems with the Motherboard and Processor | p. 212 |
Upgrading Memory | p. 221 |
RAM Technologies | p. 222 |
SIMM Technologies | p. 225 |
DIMM Technologies | p. 225 |
RIMM Technologies | p. 227 |
Error Checking and Parity | p. 228 |
CAS Latency and RAS Latency | p. 229 |
Tin or Gold Leads | p. 230 |
Memory Speeds | p. 230 |
How to Upgrade Memory | p. 231 |
How Much and What Kind of Memory to Buy | p. 231 |
Installing Memory | p. 241 |
Troubleshooting Memory | p. 243 |
Upgrade Problems | p. 243 |
Recurring Problems | p. 244 |
Hard Drives | p. 249 |
Learning from Floppy Drives | p. 250 |
How Floppy Drives Work | p. 250 |
How to Install a Floppy Drive | p. 255 |
How Hard Drives Work | p. 257 |
Tracks and Sectors on the Drive | p. 259 |
Low-Level Formatting | p. 260 |
Calculating Drive Capacity on Older Drives | p. 261 |
Drive Capacity for Today's Drives | p. 262 |
Hard Drive Interface Standards | p. 262 |
The ATA Interface Standards | p. 262 |
SCSI Technology | p. 272 |
Other Interface Standards | p. 274 |
Selecting and Installing a Hard Drive | p. 276 |
How to Select a Hard Drive | p. 276 |
Installations Using Legacy BIOS | p. 277 |
Steps to Install a Parallel ATA Hard Drive | p. 278 |
Serial ATA Hard Drive Installations | p. 291 |
Installing a Hard Drive in a Wide Bay | p. 293 |
Troubleshooting Hard Drives | p. 294 |
Problems with Hard Drive Installations | p. 294 |
How to Approach a Hard Drive Problem After the Installation | p. 295 |
Hard Drive Hardware Problems | p. 297 |
Troubleshooting Floppy Drives and Disks | p. 303 |
Installing and Supporting I/O Devices | p. 309 |
Basic Principles to Support I/O Devices | p. 310 |
Working with Keyboards | p. 311 |
How Keyboard Keys Work | p. 312 |
Keyboard Connectors | p. 312 |
Installing Keyboards | p. 314 |
Cleaning the Keyboard | p. 314 |
The Mouse and Other Pointing Devices | p. 314 |
Mouse Technologies | p. 315 |
Cleaning a Mouse | p. 317 |
Touch Screens | p. 317 |
Other Pointing Devices | p. 318 |
Specialty Input Devices | p. 318 |
Barcode Readers | p. 318 |
Fingerprint Readers and Other Biometric Devices | p. 319 |
Monitors, Projectors, and Video Cards | p. 322 |
Monitors | p. 322 |
Using a Projector | p. 330 |
Video Cards | p. 331 |
Using Ports and Expansion Slots for Add-On Devices | p. 341 |
Using Serial Ports | p. 342 |
Infrared Transceivers | p. 346 |
Using Parallel Ports | p. 347 |
Using USB Ports | p. 349 |
Using IEEE 1394 Ports | p. 355 |
Installing and Supporting Expansion Cards | p. 358 |
Troubleshooting I/O Devices | p. 366 |
Troubleshooting Keyboards | p. 367 |
Troubleshooting a Touch Screen | p. 368 |
Troubleshooting a Mouse or touchpad | p. 368 |
Troubleshooting Monitors and Video Cards | p. 369 |
Multimedia Devices and Mass Storage | p. 381 |
Multimedia on a PC | p. 382 |
CPU Technologies for Multimedia | p. 382 |
Sound Cards and Onboard Sound | p. 382 |
Digital Cameras and Flash Memory Devices | p. 393 |
Web Cameras and Microphones | p. 396 |
MP3 Players | p. 398 |
MIDI Devices | p. 401 |
TV Tuner and Video Capture Cards | p. 402 |
Optical Storage Technology | p. 406 |
Using CDs | p. 406 |
Using DVDs | p. 414 |
Caring for Optical Drives and Discs | p. 417 |
Hardware Used for Backups and Fault Tolerance | p. 419 |
Tape Drives | p. 420 |
Removable Drives | p. 425 |
Fault Tolerance, Dynamic Volumes, and Raid | p. 428 |
Troubleshooting Multimedia Devices | p. 432 |
Problems with CD, CD-RW, DVD, or DVD-RW Installation | p. 432 |
Problems When Burning a CD | p. 432 |
Troubleshooting Sound Problems | p. 433 |
Troubleshooting Tape Drives | p. 435 |
PCs on a Network | p. 443 |
Physical Network Architectures | p. 444 |
Sizes of Networks | p. 444 |
Networking Technologies | p. 444 |
Additional Terms Used in Networking | p. 447 |
Introducing Ethernet | p. 448 |
Wireless Networks | p. 457 |
Telephone Networks | p. 461 |
Token Ring and FDDI | p. 464 |
Windows on a Network | p. 466 |
Four Suites of Protocols | p. 466 |
Addressing on a Network | p. 468 |
Installing a NIC and Connecting to a Network | p. 471 |
Installing a NIC Using Windows 2000/XP | p. 472 |
Installing a NIC Using Windows 9x/Me | p. 478 |
Installing a Wireless Adapter in a Notebook | p. 481 |
How to Set Up Your Own Wireless Network | p. 492 |
Security on a Wireless LAN | p. 492 |
Choosing a Wireless Access Point | p. 493 |
Configure and Test Your Wireless Network | p. 494 |
Troubleshooting a Network Connection | p. 497 |
Notebooks, Tablet PCs, and PDAs | p. 507 |
Supporting Notebooks | p. 508 |
Tips for Buying a Notebook | p. 508 |
Special Considerations When Servicing Notebooks | p. 509 |
Caring for Notebooks | p. 517 |
Connecting Peripheral Devices to Notebooks | p. 527 |
Replacing and Upgrading Internal Parts | p. 539 |
Three Approaches to Dealing with a Broken Internal Device | p. 539 |
Upgrading Memory | p. 542 |
Replacing a Hard Drive | p. 546 |
Replacing the LCD Panel | p. 549 |
Replacing a Mini PCI Card | p. 556 |
Other Field Replaceable Units for Notebooks | p. 557 |
Troubleshooting Notebooks | p. 558 |
Problems with the Power System | p. 558 |
Problems with Video | p. 560 |
A Notebook Gets Wet | p. 562 |
The Notebook Is Dropped | p. 562 |
Protecting and Retrieving Data | p. 562 |
More Errors and What to Do About Them | p. 563 |
Online Resources for Troubleshooting Notebooks | p. 565 |
Surveying Tablet PCs | p. 565 |
Surveying PDAs | p. 568 |
Battery Life on a PDA | p. 569 |
Applications on a PDA | p. 570 |
Connecting a PDA to a PC | p. 570 |
PDA Manufacturers and Operating Systems | p. 571 |
Supporting Printers and Scanners | p. 577 |
How Printers and Scanners Work | p. 578 |
Laser Printers | p. 578 |
Inkjet Printers | p. 583 |
Dot Matrix Printers | p. 585 |
Thermal Printers and Solid Ink Printers | p. 585 |
Introducing Scanners | p. 587 |
Installing and Sharing a Printer | p. 590 |
Installing a Local Printer | p. 590 |
Sharing a Printer with Others in a Workgroup | p. 594 |
Maintaining Printers and Scanners | p. 601 |
Printer Languages | p. 601 |
Using Windows to Manage Printers | p. 602 |
Routine Printer Maintenance | p. 606 |
Supporting Scanners | p. 613 |
Troubleshooting Printers and Scanners | p. 617 |
Printer Does Not Print | p. 618 |
Problems with Laser Printers | p. 623 |
Problems with Inkjet Printers | p. 625 |
Problems with Dot Matrix Printers | p. 627 |
Troubleshooting Scanners | p. 627 |
How an OS Uses System Resources | p. 635 |
Interrupt Request Number (IRQ) | p. 636 |
Memory Addresses | p. 640 |
I/O Addresses | p. 641 |
DMA Channels | p. 642 |
Electricity and Multimeters | p. 643 |
Electricity: A Basic Introduction | p. 644 |
Voltage | p. 645 |
Amps | p. 646 |
Ohms | p. 647 |
Wattage | p. 647 |
Measuring the Voltage of a Power Supply | p. 648 |
Using a Multimeter | p. 648 |
How to Measure the Voltage of a Power Supply | p. 650 |
Practicing Measuring the Output of Your Power Supply | p. 655 |
Appendix C | p. 657 |
All About SCSI | p. 658 |
Signaling Methods Used on SCSI Cables | p. 658 |
Connectors Used with SCSI Cables | p. 660 |
Termination | p. 662 |
SCSI-1, SCSI-2, and SCSI-3 | p. 663 |
Using ISA Expansion Slots | p. 664 |
Using Legacy Drivers | p. 667 |
Disassembling a Notebook | p. 669 |
Disassembling an Older ThinkPad | p. 670 |
Disassembling a Newer Dell Notebook | p. 674 |
CompTIA A+ Acronyms | p. 679 |
Glossary | p. 687 |
Index | p. 717 |
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