CompTIA A+ Cert Guide with MyITCertificationlab Bundle (220-701 and 220-702)

CompTIA A+ Cert Guide with MyITCertificationlab Bundle (220-701 and 220-702)

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Description

MyITCertificationlabs should be used in an instructor led classroom environment and are not intended for individual self-study
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Product details

  • Mixed media product | 960 pages
  • 187 x 232mm | 1,860g
  • Pearson It Certification
  • Upper Saddle River, United States
  • 2nd edition
  • 0789748894
  • 9780789748898

Table of contents

Introduction xxxvi Chapter 1 PC Technician Essentials 3 PC Tools 3 Preventing Electrostatic Discharge 4 The CompTIA Six-Step Troubleshooting Process 5 Numbering Systems Used in Computers 6 Decimal Numbering System 6 Binary Numbering System 6 Binary Versus Decimal MB/GB 10 Data Storage and Overhead 11 Hexadecimal Numbering System 14 Measuring Data Transfer and Frequency 14 Bandwidth 14 Parallel Information Transfers 15 Serial Transfers 16 Hertz (Hz) 17 Important Websites 18Chapter 2 PC Anatomy 101 21 "Do I Know This Already?" Quiz 22 The Essential Parts of Any Computer 25 Front and Rear Views of a Desktop PC 25 All Around a Notebook (Laptop) Computer 27 Quick Reference to PC Components 28 Points of Failure 29 Points of Failure on a Desktop Computer 30 Points of Failure on a Notebook Computer 30 Hardware, Software, and Firmware 31 Hardware 31 Software 31 Firmware 32 Why Hardware, Software, and Firmware Are Important to Understand 33 Working Inside Your PC 33 Opening the Case of a Desktop PC 33 Taking ESD Precautions 34 Connecting Internal and External Data Cables 35 Attaching Cables to the Floppy Drive and Controller 35 Attaching the VGA Cable to a Video Card or Port 37 Installing a PCI Card 38 Hardware Resources 39Chapter 3 Motherboards, Processors, and Adapter Cards 43 "Do I Know This Already?" Quiz 43 Motherboards and Their Components 47 The System Bus and I/O Bus 48 Form Factors 49 ATX and Micro ATX 49 BTX 49 NLX 51 Riser Cards and Daughterboards 51 Integrated I/O Ports 52 Memory Slots 54 Expansion Slots 54 PCI Slots 55 AGP 55 PCIe (PCI Express) Slots 56 AMR and CNR Slots 58 Mass Storage Interfaces 59 PATA/IDE 60 SATA 61 SCSI 61 Choosing the Best Motherboard for the Job 62 Installing Motherboards 63 Step-by-Step Motherboard Removal (ATX and BTX) 63 Step-by-Step Motherboard Removal (NLX) 65 Preparing the Motherboard for Installation (ATX/BTX) 66 Step-by-Step Motherboard Installation (ATX/BTX) 67 Step-by-Step Motherboard Installation (NLX) 68 Troubleshooting Motherboards 68 System Will Not Start 69 Devices Connected to the Port Cluster Don't Work 72 Devices Connected to Header Cables Don't Work 73 Mass Storage Devices Do Not Work Properly 74 Memory Failures 74 Card, Memory, or Heat Sink Blocked by Motherboard Layout 74 Processors and CPUs 75 Overview of Processor Differences 75 Intel Processors 75 AMD Processors 79 Processor Sockets and Packaging 83 CPU Technologies 84 Hyperthreading (HT Technology) 84 Dual-Core and Multi-Core 85 Processor Throttling 85 Microcode (MMX) 85 Overclocking 86 Cache 87 VRM 88 Speed (Real Versus Actual): Clock Speed Versus Performance 88 32-bit Versus 64-bit 89 Choosing the Best Processor for the Job 89 Performance 89 Thermal Issues 89 32-bit Versus 64-bit (x64) Compatibility 90 Other Processor Features 90 Installing Processors 90 Removing the Heat Sink 91 Removing the Processor 93 Installing a New Processor 94 Slot-Type CPU (early Pentium III, early AMD Athlon, and Others) 96 Troubleshooting Processors 98 System Runs Slower Than Rated Speed 98 Processor Failure 99 Installing Adapter Cards 99 General Installation 100 Display Adapters 103 Sound Cards 104 Video Capture Cards 104 Troubleshooting Adapter Cards 105 Device Connected to Adapter Card Doesn't Work 105 Performing Driver and Firmware Upgrades 106Chapter 4 BIOS 111 "Do I Know This Already?" Quiz 111 Understanding BIOS, CMOS, and Firmware 115 Configuring the System BIOS 117 Accessing the BIOS Setup Program 118 BIOS Settings Overview 120 Automatic Configuration of BIOS/CMOS Settings 123 Selecting Options 124 Main Menu 124 Standard Features/Settings 125 Floppy Drive BIOS Configuration 126 PATA and SATA BIOS Configuration 126 System Information 127 Integrated Peripherals 129 Onboard Devices 130 I/O Devices 131 PATA/IDE and SATA Configuration 132 Power Management 134 PnP/PCI Configurations 135 Hardware Monitor 136 Processor and Memory Configuration 137 Security Features 138 Exiting the BIOS and Saving/Discarding Changes 139 Power-On Self-Test and Error Reporting 140 Beep Codes 141 POST Error Messages 142 POST Hex Codes 143 BIOS Updates 144 Flash BIOS Update 145 BIOS Chip Replacement 147Chapter 5 Power Supplies and System Cooling 153 "Do I Know This Already?" Quiz 153 Power Supplies 157 Power Supply Ratings 157 Multivoltage Power Supplies 159 Causes and Cures of Power Supply Overheating 161 Overloading 161 Fan Failure 163 Inadequate Air Flow Outside the System 163 Inadequate Air Flow Inside the System 164 Dirt and Dust 164 Replacing Power Supply Form Factors and Connectors 165 Removing and Replacing the Power Supply 168 Testing Power Supplies with a Multimeter 170 Determining Power Supply DC Voltage Levels 172 Avoiding Power Supply Hazards 174Power Protection Types 175 Surge Suppressors 176 Battery Backup Units (UPS and SPS) 178 Power Conditioning Devices 180 Buying the Correct-Sized Battery Backup System 180 Troubleshooting Power Problems 181 System Cooling 182 Passive and Active Heat Sinks 183 North/Southbridge Cooling 184 Video Card Cooling 186 Case Fans 187 Thermal Compound 188 Liquid Cooling Systems 191Chapter 6 RAM 195 "Do I Know This Already?" Quiz 195 RAM Basics 199 RAM Types 201 DRAM 201 SRAM 201 SDRAM 202 DDR SDRAM 202 DDR2 SDRAM 202 DDR3 SDRAM 203 Rambus 203 Operational Characteristics 204 Comparison of Memory Modules 205 Memory Module Width 206 Parity and Non-Parity Memory 207 ECC and Non-ECC Memory 208 Registered and Unbuffered Memory 209 Single-Sided and Double-Sided Memory 209 Installing DIMMs and Rambus RDRAM Modules 210 Troubleshooting Memory 212 Verifying RAM Compatibility 212 Overclocking Can Lead to System Instability 213 Avoid Mixing Metals in RAM and Sockets 213 Use Caution When Mismatching RAM Speeds 213 EDO Compatibility with Other RAM Types 214 "Parity Error - System Halted" Message 215 RAM-Sizing Errors at Bootup 215 Determining Whether Cache RAM Is the Source of a Memory Problem 216 Other Methods for RAM Testing 216 Preventative Maintenance for Memory 217Chapter 7 I/O and Multimedia Ports and Devices 221 "Do I Know This Already?" Quiz 221 Understanding I/O Ports 225 USB 225 USB Port Types, Speeds, and Technical Details 225 Adding USB Ports 228 SCSI 229 Multiple Device Support with SCSI Host Adapters 229 Jumper Block and DIP Switch Settings for Device IDs 230 SCSI Standards 232 SCSI Cables 233 SCSI Signaling Types 234 Daisy-Chaining SCSI Devices 234 SCSI Host Adapter Card Installation 236 SCSI Daisy-Chain Maximum Length 236 SCSI Termination Methods 237 Serial (COM) 238 Serial Port Pinouts 240 Types of Serial Cables 241 Standard IRQ and I/O Port Addresses 243 How to Configure or Disable Serial Ports 243 Serial Port Software Configuration 244 Adding Additional Serial Ports 245 Parallel (LPT) 246 Parallel Port Configuration 248 IEEE 1394 (FireWire) 253 IEEE 1394 Ports and Cables 253 IEEE 1394-Compatible Devices and Technical Requirements 254 Installing an IEEE 1394 Card 254 PS/2 (Mini-DIN) 255 Centronics 255 1/8-inch Audio Mini-Jack 256 SPDIF Digital Audio 256 MIDI Port 257 RG-6 Coaxial 258 Understanding Input Devices 258 Keyboard 258 Mouse and Pointing Devices 259 Mouse Resource Usage 260 Bar Code Reader 260 Biometric Devices 260 Touch Screens 261 Touch Screen Interfacing to the Computer 261Understanding Multimedia Devices 262 Webcam 262 Digital Camera 262 MIDI Music and MIDI Ports 262 Sound Card 262 Microphone 263 Video Capture Card 264 Installing Input and Multimedia Devices 264 Installing a Keyboard 265 Installing a Mouse or Other Pointing Device 265 Installing a Bar Code Reader 265 Installing a Webcam 266 Installing a Digital Camera 266 Installing a MIDI Port 267 Installing a Microphone 267 Installing a Biometric Device 268 Installing a Touch Screen 268 Installing a Sound Card 268 Installing a Video Capture Card 269 Troubleshooting Input and Multimedia Devices 270 Troubleshooting Keyboards 270 Troubleshooting Mice and Pointing Devices 270 Mouse Pointer Won't Move 272 Jerky Mouse Pointer Movement 273 User Can't Double-Click Icons 274 Troubleshooting Touch Screen 274 Troubleshooting Sound Card 275 Sound Card Plays Sounds But Can't Record CD-Quality Sound 275 Sound Card Works in Some Systems But Not in Others 275 Sound Playback Is Distorted or Choppy 275 No Sound at All from Sound Card 275 Sound Card Can't Play MIDI Files 276 Troubleshooting SCSI Devices 277 External SCSI Device Isn't Available 277 External or Internal SCSI Device Isn't Available 278 Troubleshooting I/O Ports 278 Troubleshooting USB Ports and Devices 278 USB Devices Not Recognized 278 USB Port Problems 279 Troubleshooting IEEE 1394 Ports and Devices 280 System Can't Detect the IEEE 1394 Card or Port 280 Incorrect Driver for IEEE 1394 Card or Device 281 Troubleshooting Parallel (LPT) Ports and Devices 281 Parallel Port Mode Problems 281 Problems with Daisy-Chained Devices 282 Cabling and Port Problems 282 Testing Parallel Ports 283 Switchbox Problems 284 Troubleshooting Serial Ports and Devices 284 COM 4 I/O Port Conflicts 284 Serial Port Drops Characters When Multitasking 284 Can't Connect Serial Devices to Port Because of Mismatched Connectors 285 Serial Cabling and Port Problems 285 Serial Configuration Problems 286 Testing Serial Ports 286 Maintaining Input Devices 286 Maintaining Mice and Pointing Devices 286 Maintaining Keyboards 288Chapter 8 Video Displays and Graphics Cards 293 "Do I Know This Already?" Quiz 293 Video (Graphics) Card Types 297 Video Card Cooling 297 Installing a Video Card 298 BIOS Configuration 298 Video Card Physical and Driver Installation 299 Display Types 301 CRT Monitor 302 LCD Monitor 303 Data Projector 303 Video Connector Types 304 VGA 305 DVI 305 HDMI 307 Component/RGB 307 S-Video 308 Composite 308 Display Settings 308 Resolution 309 Color Quality (Color Depth) 311 Refresh Rates 312 Installing a Monitor 313 Troubleshooting Displays and Video Cards 314 Troubleshooting Picture Quality Problems with OSD 314 Using Advanced Display Properties for Troubleshooting 316 Troubleshooting Video Hardware 317 Preventative Maintenance for Displays 319Chapter 9 Laptops and Portable Devices 323 "Do I Know This Already?" Quiz 323 Fundamental Features of Laptops and Portable Devices 327 Memory 329 Storage Devices 330 Peripherals 331 Docking Stations and Port Replicators 331 Media and Accessory Bays 333 Expansion Slots 334 PCMCIA (PC Card, CardBus) 334 ExpressCard 337 Mini-PCI and Mini-PCIe 338 Communications Connections 340 Bluetooth 340 Infrared (IrDA) 341 Cellular WAN 342 Ethernet 342 Wireless Ethernet (WLAN or Wi-Fi) 343 LCD Screen Technologies 343 Active Matrix 344 Passive Matrix 344 Screen Resolutions 344 Screen Quality Considerations 345 Input Devices 346 Stylus and Digitizer 347 Fn Keys 347 Touch Pad 347 Pointing Stick / TrackPoint 349 Power Management Issues 349 Processor Throttling 350 Peripheral Power Management 350 Power Sources 350 Battery Types 350 AC Adapters 351 Configuring Power Management 353 ACPI 353 Suspend, Standby, and Hibernate Modes 356 Applications for Portable and Laptop Hardware 357 Using Communications Connections 357 Using Bluetooth 358 Using Infrared (IrDA) 358 Using Cellular WAN 359 Using Ethernet 359 Using Wireless Ethernet (WLAN) 359 Working with Power Sources 363 Working with Display Subsystem Components 363 Adjusting the Amount of Shared Video Memory 364 Adjusting Brightness and Contrast on a Laptop Computer's Display 364 Using DualView to Work with a Secondary Monitor or Projector 365 Cloning the Laptop Display to a Secondary Display or Projector 367 Safe Removal of Laptop-Specific Hardware 369 Safe Removal of PC Cards 370 Safe Removal of ExpressCards 370 Safe Removal of Batteries 370 Safe Removal and Installation of Mini-PCI Cards 372 Safe Removal and Installation of Hard Disk Drives 373 Safe Removal of Optical Drives 374 Safe Removal and Installation of Memory 375 Safe Removal of LCD Panels 376 Safe Removal and Replacement of Pointing Devices 377 Portable and Laptop Diagnostics 379 Power Troubleshooting 379 AC Power Troubleshooting 379 DC Power Troubleshooting 380 Display Troubleshooting 380 Using an External Monitor to Check the Display Subsystem 381 Solving Internal Display Problems 381 LCD Cutoff Switch 381 Checking for Backlight Problems 381 Dead Pixels 382 Other Components 382 Removing Peripherals 382 Stylus and Digitizer Problems 383 Keypad Problems 383 Antenna Wires 384 Preventative Maintenance for Laptops and Portable Devices 384 Cooling Devices 384 Display Screens 386 Suitable Operating Environments 386 Air Temperature 386 Air Quality 386 Storage Methods 386 Transportation and Shipping 386Chapter 10 Security 391 "Do I Know This Already?" Quiz 391 Security Fundamentals 395 Secure and Insecure File Systems 395 Authentication Technologies 395 Username/Password/PIN 396 Smart Cards 396 Biometrics 396 Protection Against Viruses and Malware 397 Software Firewalls 397 Hardware Recycling and Deconstruction 398 Securing Wireless Networks 398 WEP and WPA Encryption 398 Access Point Configuration for Maximum Security 399 DHCP Versus Static IP Addresses 400 Changing the SSID 400 Disabling SSID Broadcast 401 MAC Address Filtering 402 Changing Default Administrator User Password 403 Updating Access Point Firmware 404 Firewall Features 405 Data and Physical Security 405 Data Access Local Security Policy 405 Encryption Technologies 406 Encrypting File System 406 BitLocker Encryption 407 Backups 408 Data Migration 408 Data and Data Remnant Removal 409 Password Management 409 Locking a Workstation 410 Incident Reporting 410 Social Engineering 411 Access Control Purposes and Principles 412 Operating System Access Control 412 User, Administration, and Guest Accounts 412 User Account Control (UAC) 412 Groups 413 Permissions Actions, Types, and Levels 414 Permission Inheritance and Propagation 414 Moving and Copying Folders and Files 415 Components 415 Restricted Spaces 415 Auditing and Event Logging 415 Installing, Configuring, and Troubleshooting Security Features 417 BIOS Security Features 417 Software Firewalls 418 Configuring Exceptions 419 Troubleshooting Software Firewalls 421 Wireless Network Configuration 422 Configuring a Wireless Client with Windows XP SP2/SP3 422 Configuring a Wireless Client with Windows Vista 425 Configuring a Wireless Client with Windows 7 426 Troubleshooting Wireless Clients 427 Unused Wireless Connections 428 File Systems (Converting From FAT32 To NTFS) 430 Malicious Software Protection 431 Types of Malware and Infection Methods 432 Training Users in Malware Protection 432Chapter 11 Printers 435 "Do I Know This Already?" Quiz 435 Printing Fundamentals 439 Laser Printers 439 How Laser Printers Use Memory 440 Toner Cartridges 442 Laser Printer Paper and Media 443 Inkjet Printers 444 Ink Cartridges 444 Inkjet Printer Paper and Media 446 Thermal Printers 446 Thermal Printer Ribbons 446 Thermal Printer Paper 447 Impact Printers 447 Impact Printer Ribbons 448 Impact Printer Paper and Media 448 Printer and Scanner Control 449 Drivers 450 Firmware 450 Print Processes 450 Laser Print Process 451 Step 1: Cleaning 452 Step 2: Conditioning 452 Step 3: Writing 452 Step 4: Developing 453 Step 5: Transferring 453 Step 6: Fusing 453 Color Laser Printing Differences 453 Inkjet Print Process 453 Thermal Print Processes 454 Impact Print Process 455 Interface Types 456 Adding Bluetooth Support 457 Adding Ethernet Support 457 Adding 802.11Wireless Ethernet (WLAN) Support 458 Adding Infrared Support 458 Printer Installation 458 Verifying Device Compatibility with Operating System and Applications 458 Connecting the Device 459 Installing Device Drivers 459 Using the Add Printer Wizard (Windows Vista and XP) 459 Using the Add Printer Wizard (Windows 7) 461 Installing a Printer or Multifunction Unit with a Vendor-Supplied Driver 461 Calibrating the Device 462 Configuring Options and Device Settings 462 Printer Options 462 Printing a Test Page 466 Educating the User About Basic Functionality 467 Optimizing Printer Performance 467 Tray Switching 467 Print Spooler Settings 468 XPS Features in Windows 7 and Vista 469 Device Calibration 470 Media Types 470 Paper Orientation 471 Print Order 472 Installing and Configuring Printer Upgrades 472 Memory 473 Firmware 474 Printer Troubleshooting Tools and Techniques 475 Identify the Problem 475 Identifying Symptoms 475 Review Device Error Codes 476 Review Computer Error Messages and Logs 476 Using the Self-Test Feature 477 Using Diagnostic Tools 478 Establishing a Theory of Probable Cause 478 Reviewing Service Documentation 478 Reviewing Knowledge Base 479 Defining and Isolating the Problem 479 Testing the Theory to Determine Cause 480 Problem: A complex document (one with many fonts or graphics) does not print 480 Problem: Repetitive marks on laser-printed document 481 Establishing a Plan of Action to Resolve the Problem and Implement the Solution 481 Verifying Full System Functionality and Implementing Preventative Measures (if Applicable) 481 Documenting Findings, Actions, and Results 481 Troubleshooting Print Failures 482 Paper Out 482 Clearing Print Queue 482 Restarting Print Queue 483 Power Off, Power On Printer 483 Paper Jams 483 Print Quality Problems 484 Error Messages and Codes 487 Performing Preventative Maintenance 489 Installing Maintenance Kits 489 Resetting Paper Counts 489 Cleaning Rollers, Printheads, and Other Components 489 Checking for a Suitable Environment 490 Using Recommended Supplies 491 Recommended Tools 491 Multimeter 491 Screwdrivers 492 Cleaning Solutions 492 Extension Magnet 492Chapter 12 Storage Devices 497 "Do I Know This Already?" Quiz 497 Floppy Disk Drives 501 Floppy Disk Types 502 Floppy Disk Drive Hardware Configuration 503 Floppy Disk Drive Physical Installation and Removal 505 Floppy Drive BIOS Configuration 505 Maintaining Floppy Disks, Data, and Drives 507 Hard Disk Drives 508 PATA and SATA Data and Power Cables 509 PATA Drive Jumpering and Cable Select 510 ATA Specifications 511 ATA/IDE Drive Physical Installation 512 SATA Hard Drive Physical Installation 514 Installing an SATA Host Adapter 516 PATA BIOS Configuration 517 SATA BIOS Configuration 520 eSATA 521 Creating an ATA or SATA RAID Array 523 ATA/IDE Performance Optimization 526 PIO and DMA Transfer Modes 526 IDE Block Mode 528 IDE Busmastering Drivers 528 Enabling DMA Transfers for PATA Devices in Windows 528 Adjusting Disk Caching Settings in Windows 530 CD, DVD, and Blu-ray Optical Drives 530 CD, DVD, and Blu-ray Drive Interfaces 532 Physical Installation of Optical Drives 533 Recording CDs and DVDs in Windows XP 533 Recording CDs and DVDs in Windows Vista and 7 535 IDE/ATAPI Optical Drive Installation Issues 536 Removable Storage 537 Tape Drives 538 Flash Memory and Card Readers 539 Flash Card Reader 541 Installing and Using a Flash Card Reader 542 Hot-Swapping Flash Memory Cards 543 USB Flash Memory Drives 543 Hot-Swapping USB Flash Memory Drives 544 External Hard Disks 545 Hot-Swapping USB or IEEE-1394-Based External Hard Disks 545 Solid State Drives (SSDs) 546 Troubleshooting Storage 547 Troubleshooting Floppy Disk Drives 547 Internal Floppy Drive Cabling Problems 547 BIOS Configuration Problems 547 Drive Reliability and Compatibility Problems 547 Changeline Problems 549 Isolating Floppy Subsystem Problems 549 Troubleshooting PATA (ATA/IDE) Drives 550 Incompatible PATA Cables 550 UDMA-66 or Faster Drive Limited to UDMA-33 Speeds 550 No Power to Drive 551 Cables Attached Incorrectly to ATA/IDE Interface or Drive 551 Physical or Electronic Damage to Drive 551 Jumpering Issues 552 Drive Not Ready Error 552 Troubleshooting SATA and eSATA Drives 552 Loose Data and Power Cables 552 eSATA Drive Cannot Be Accessed 553 SATA 3Gbps Drive Runs in Reduced Performance Mode (1.5Gbps) 553 Physical or Electronic Damage to Drive 553 Using Hard Disk Diagnostics 554 Troubleshooting CD-ROM and DVD Drives 554
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