The Healthy PC:
Preventive Care, Home Remedies, and Green Computing
Second Edition
Guy Hart-Davis
Copyright 2012 by The McGraw-Hill Companies. All rights reserved. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher.
ISBN: 978-0-07-175292-3
MHID: 0-07-175292-7
The material in this eBook also appears in the print version of this title: ISBN: 978-0-07-175291-6, MHID: 0-07-175291-9.
All trademarks are trademarks of their respective owners. Rather than put a trademark symbol after every occurrence of a trademarked name, we use names in an editorial fashion only, and to the benefit of the trademark owner, with no intention of infringement of the trademark. Where such designations appear in this book, they have been printed with initial caps.
McGraw-Hill eBooks are available at special quantity discounts to use as premiums and sales promotions, or for use in corporate training programs. To contact a representative please e-mail us at bulksales@mcgraw-hill.com.
Information has been obtained by McGraw-Hill from sources believed to be reliable. However, because of the possibility of human or mechanical error by our sources, McGraw-Hill, or others, McGraw-Hill does not guarantee the accuracy, adequacy, or completeness of any information and is not responsible for any errors or omissions or the results obtained from the use of such information.
TERMS OF USE
This is a copyrighted work and The McGraw-Hill Companies, Inc. (McGraw-Hill) and its licensors reserve all rights in and to the work. Use of this work is subject to these terms. Except as permitted under the Copyright Act of 1976 and the right to store and retrieve one copy of the work, you may not decompile, disassemble, reverse engineer, reproduce, modify, create derivative works based upon, transmit, distribute, disseminate, sell, publish or sublicense the work or any part of it without McGraw-Hills prior consent. You may use the work for your own noncommercial and personal use; any other use of the work is strictly prohibited. Your right to use the work may be terminated if you fail to comply with these terms.
THE WORK IS PROVIDED AS IS. McGRAW-HILL AND ITS LICENSORS MAKE NO GUARANTEES OR WARRANTIES AS TO THE ACCURACY, ADEQUACY OR COMPLETENESS OF OR RESULTS TO BE OBTAINED FROM USING THE WORK, INCLUDING ANY INFORMATION THAT CAN BE ACCESSED THROUGH THE WORK VIA HYPERLINK OR OTHERWISE, AND EXPRESSLY DISCLAIM ANY WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. McGraw-Hill and its licensors do not warrant or guarantee that the functions contained in the work will meet your requirements or that its operation will be uninterrupted or error free. Neither McGraw-Hill nor its licensors shall be liable to you or anyone else for any inaccuracy, error or omission, regardless of cause, in the work or for any damages resulting therefrom. McGraw-Hill has no responsibility for the content of any information accessed through the work. Under no circumstances shall McGraw-Hill and/or its licensors be liable for any indirect, incidental, special, punitive, consequential or similar damages that result from the use of or inability to use the work, even if any of them has been advised of the possibility of such damages. This limitation of liability shall apply to any claim or cause whatsoever whether such claim or cause arises in contract, tort or otherwise.
This book is dedicated to Teddy.
About the Author
Guy Hart-Davis is the author of more than 70 computer books, including iPad and iPhone Administrators Guide, Integrating Macs into Windows Networks, Mac OS X System Administration, and How to Do Everything: iPhone, iPod, and iTunes, Fifth Edition.
About the Technical Editor
James Floyd Kelly is a freelance author from Atlanta, Georgia. He has degrees in both English and industrial engineering and has written on a variety of subjects that include building CNC machines and 3D printers, LEGO robotics, open-source software, and the Samsung Galaxy Tab and Motorola Xoom tablets.
Contents
Acknowledgments
Id like to thank the following people for their help with this book:
Roger Stewart for asking me to write this revised edition of the book
Carey Holzman for writing the first edition of the book
Joya Anthony for handling the acquisitions end of the book
James Floyd Kelly for reviewing the manuscript for technical accuracy and contributing many helpful suggestions
Bart Reed for editing the manuscript with a light touch and good humor
Anupriya Tyagi for keeping the schedule and production of the book within industry-approved norms
Cenveo Publisher Services for laying out the pages
Rebecca Plunkett for creating the index
Introduction
Is your PC vital to you?
Would you like it to run faster?
Does it ever crash?
Do you need to keep yourself and your family safe online?
If you answered yes to any of these questionsor to all of themthen congratulations. Youve picked up the right book.
This book shows you how to keep your PC healthyrunning well, free from viruses and other malware, and safe for you and your family to use.
Is This Book for Me?
Are you a normal personnot a PC expert?
Do you want to keep your PC running well, or maybe get it running a bit betterbut not spend fistfuls of dollars and half your waking hours turning it into a speed demon?
Do you want to solve problems with Windows but not pore over technical details and fiddle with arcane settings?
Then, yes, this book is for you.
Which Versions of Windows Does This Book Cover?
This book covers Windows XP and Windows 7. These are the versions of Windows that most people are using at this writing. But most of the content applies to Windows Vista as well.
What Will I Learn from This Book?
In of this book, you learn to tune up, optimize, and protect your PC:
walks you through getting your PC to run faster. You learn whats slowing your PC down and then take action to fix the problems. You disable unnecessary startup items, sort out Windows services, give your PC extra virtual memory, and defragment the hard drive.
explains how to free up space on your PCs hard drive. Drives tend to fill up over time, and the lack of space can cripple your PC. To fix the problem, you run Disk Cleanup, slim down the Recycle Bin, and reclaim space from the System Restore feature. If necessary, you take a bite out of the paging file, remove any programs you no longer need, and archive your old files.
shows you how to protect your PC against attacks, viruses, and malware with three quick moves. First, you install vital patches and fixes to squash bugs and close off paths of attack. Second, you install the best free software to keep your PC safe. And third, you turn on Windows Firewall to slam the door shut on network and Internet threats.