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A+ Guide to Hardware (with Printed Access Card)

A+ Guide to Hardware (with Printed Access Card)TitoloA+ Guide to Hardware (with Printed Access Card)
AutoreAndrews, Jean
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€ 119,52   Spedizioni gratuite in Italia
(Prezzo € 121,96)
CategoriaComputers: Hardware - Personal Computers
RilegaturaHardcover
Dati752 p.
Anno2013
EditoreCengage Learning
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CompTIA A+ 220-801 Exam, 2012 Edition Examination Objectives Mapped to Chaptersvii
CompTIA A+ 220-802 Exam, 2012 Edition Examination Objectives Mapped to Chaptersxx
Chapter 1 First Look at Computer Parts and Tools
1
What's Inside the Case
2
Form Factors Used by Computer Cases, Power Supplies, and Motherboards
9
Drives, Their Cables, and Connectors
18
Protecting Yourself and the Equipment against Electrical Dangers
23
Measures and Properties of Electricity
24
Protect Yourself against Electrical Shock and Burns
28
Protect the Equipment against Static Electricity or ESD
29
Tools Used by a PC Repair Technician
33
POST Diagnostic Cards
35
Power Supply Tester
37
Multimeter
37
Loopback Plugs
37
Proper Use of Cleaning Pads and Solutions
39
Managing Cables
40
Lifting Heavy Objects
40
Chapter 2 Working Inside a Computer
45
How to Work Inside a Computer Case
46
Step 1 Plan and Organize Your Work
46
Step 2 Open the Computer Case and Examine the System
47
Step 3 Remove Expansion Cards
52
Step 4 Remove the Motherboard, Power Supply, and Drives
55
Steps to Put a Computer Back Together
60
Cooling Methods and Devices
67
Processor Coolers, Fans, and Heat Sinks
67
Case Fans and Other Fans and Heat Sinks
69
Liquid Cooling Systems
71
Dealing with Dust
72
Selecting a Power Supply
73
Types and Characteristics of Power Supplies
74
How to Calculate Wattage Capacity
75
Chapter 3 All About Motherboards
81
Motherboard Types and Features
82
Motherboard Form Factors
82
Processor Sockets
84
The Chipset
89
Buses and Expansion Slots
94
On-board Ports and Connectors
104
Configuring a Motherboard
106
Using Jumpers to Configure a Motherboard
108
Using Setup BIOS to Configure a Motherboard
110
Maintaining a Motherboard
122
Updating Motherboard Drivers
122
Flashing BIOS
124
Replacing the CMOS Battery
125
Installing or Replacing a Motherboard
126
How to Select a Motherboard
126
How to Install or Replace a Motherboard
127
Chapter 4 Supporting Processors and Upgrading Memory
137
Types and Characteristics of Processors
138
How a Processor Works
140
Intel Processors
142
AMD Processors
145
Selecting and Installing a Processor
146
Select a Processor to Match System Needs
146
Install a Processor
147
Memory Technologies
162
DIMM Technologies
165
RIMM Technologies
171
Memory Technologies and Memory Performance
172
How to Upgrade Memory
173
How Much Memory Do I Need and How Much Is Currently Installed?
173
How Many and What Kind of Memory Modules Are Currently Installed?
175
How Many and What Kind of Modules Can Fit on My Motherboard?
176
How Do I Select and Purchase the Right Memory Modules?
180
How Do I Install the New Modules?
182
Chapter 5 Supporting Hard Drives
189
Hard Drive Technologies and Interface Standards
190
Technologies Used Inside a Hard Drive
190
Interface Standards Used by a Hard Drive
193
How to Select and Install Hard Drives
204
Selecting a Hard Drive
204
Steps to Install a Serial ATA Drive
205
Steps to Configure and Install a Parallel ATA Drive
214
Setting Up Hardware RAID
220
About Tape Drives and Floppy Drives
228
Installing Tape Drives and Selecting Tape Media
228
Installing a Floppy Drive
230
Chapter 6 Supporting I/O and Storage Devices
237
Basic Principles for Supporting Devices
238
Using the Action Center and Device Manager
238
Ports and Wireless Connections Used by Peripheral Devices
244
Installing I/O Peripheral Devices
250
Mouse or Keyboard
251
Barcode Readers
252
Biometric Devices
253
Digital Cameras and Camcorders
254
Webcams
255
Graphics Tablets
256
MIDI Devices
257
Touch Screens
258
KVM Switches
259
Installing and Configuring Adapter Cards
260
Sound Cards and Onboard Sound
265
TV Tuner and Video Capture Cards
266
Supporting the Video Subsystem
268
Monitor Technologies and Features
268
Video Cards and Connectors
272
Changing Monitor Settings
277
Video Memory and Windows 7/Vista
280
Supporting Storage Devices
282
File Systems Used by Storage Devices
282
Standards Used by Optical Drives and Discs
284
Installing an Optical Drive
288
Solid-State Storage
290
Chapter 7 Satisfying Customer Needs
301
Job Roles and Responsibilities
302
Certification and Professional Organizations
303
Record-keeping and Information Tools
305
What Customers Want: Beyond Technical Know-how
306
Planning for Good Service
310
Initial Contact with a Customer
311
Interview the Customer
312
Set and Meet Customer Expectations
314
Working with a Customer on Site
315
Working with a Customer on the Phone
316
Dealing with Difficult Customers
318
The Customer Decides When the Work Is Done
321
Sometimes You Must Escalate a Problem
322
The Job Isn't Finished until the Paperwork Is Done
322
Working with Co-workers
323
Dealing with Prohibited Content and Activity
328
Customizing Computer Systems
329
Graphics or CAD/CAM Workstation
330
Audio and Video Editing Workstation
332
Virtualization Workstation
333
Gaming PC
334
Home Theater PC
335
Home Server PC
337
Thick Client and Thin Client
338
Chapter 8 Troubleshooting Hardware Problems
345
How to Approach a Hardware Problem
346
Troubleshooting the Electrical System
352
Problems That Come and Go
355
Power Problems with the Motherboard
356
Problems with Overheating
357
Troubleshooting POST before Video Is Active
363
Troubleshooting Error Messages during the Boot
364
Troubleshooting the Motherboard, Processor, and RAM
366
Problems with Installations
373
Troubleshooting Hard Drives
376
Troubleshooting Monitors and Video
380
Protecting a Computer and the Environment
388
Physically Protect Your Equipment
388
Document Preventive Maintenance
392
How to Dispose of Used Equipment
393
Chapter 9 Connecting to and Setting Up a Network
401
Understanding TCP/IP and Windows Networking
402
Layers of Network Communication
402
How IP Addresses Get Assigned
406
How IPv4 IP Addresses Are Used
407
How IPv6 IP Addresses Are Used
412
View IP Address Settings
414
Character-Based Names Identify Computers and Networks
415
TCP/IP Protocol Layers
417
Connecting a Computer to a Network
423
Connect to a Wired Network
423
Connect to a Wireless Network
428
Connect to a Wireless WAN (Cellular) Network
434
Create a Dial-up Connection
439
Setting Up a Multifunction Router for a SOHO Network
441
Functions of a SOHO Router
442
Install and Configure the Router on the Network
444
Chapter 10 Networking Types, Devices, and Cabling
463
Network Types and Topologies
464
Network Technologies Used for Internet Connections
467
Hardware Used by Local Networks
476
Wired and Wireless Network Adapters
476
Dial-up Modems
482
Switches and Hubs
482
Wireless Access Points and Bridges
484
Other Network Devices
485
Ethernet Cables and Connectors
486
Setting Up and Troubleshooting Network Wiring
491
Tools Used by Network Technicians
492
How Twisted-pair Cables and Connectors Are Wired
496
Chapter 11 Supporting Notebooks
513
Special Considerations when Supporting Notebooks
514
Warranty Concerns
516
Service Manuals and Other Sources of Information
517
Diagnostic Tools Provided by Manufacturers
519
The OEM Operating System Build
520
Maintaining Notebooks and Notebook Components
523
Special Keys, Buttons, and Input Devices on a Notebook
524
PCMCIA and ExpressCard Slots
527
Updating Port or Slot Drivers
530
Power and Electrical Devices
531
Power Management
533
Port Replicators and Docking Stations
536
Replacing and Upgrading Internal Parts
539
Three Approaches to Dealing with a Broken Internal Device
539
Upgrading Memory
540
Replacing a Hard Drive
544
Disassembling and Reassembling a Notebook Computer
546
Working Inside an All-in-one Computer
567
Troubleshooting Notebooks
571
Problems Logging onto Windows
571
No Wireless Connectivity
571
Power or Battery Problems
573
No Display
574
Flickering, Dim, or Otherwise Poor Video
575
Chapter 12 Supporting Printers
581
Printer Types and Features
582
Printer Languages
582
Types of Printers
583
Using Windows to Install, Share, and Manage Printers
591
Installing a Local or Network Printer
593
Sharing an Installed Printer
602
Installing a Shared Printer
604
Managing Printer Features and Add-on Devices
605
Managing the Printer Queue
607
Printer Maintenance and Upgrades
608
Online Support for Printers
608
Cleaning a Printer
610
Printer Maintenance Kits
612
Upgrade the Printer Memory or Hard Drive
617
Print Servers and the Print Management Tool
619
Troubleshooting Printers
622
Printer Does Not Print
623
Poor Print Quality
634
Appendix A Keystroke Shortcuts in Windows643
Appendix B CompTIA A+ Acronyms647
Glossary657
Index677

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