Troubleshooting & Maintaining Your PC All-in-One For Dummies, 3rd Edition
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Here is some good advice for things you should and shouldn't do when it comes to using a computer in a sane and useful manner.
  • Do pay attention to the User Account Controls (UACs) warnings. They imply that a setting change affects the entire system or could post a security risk.
  • Do run a firewall, and allow expected traffic to access the local network and Internet. Only deny unexpected firewall requests.
  • Do run PC security software, such as Windows Defender. Keep the software activated and updated.
  • Do install Windows updates as they arrive.
  • Do classify public wireless networks as Public whenever you make a connection.
  • Don't open the PC's case unless you first turn off and unplug the thing.
  • Don't run the Defrag utility on an SSD, a media card, or a thumb drive.
  • Don't open unexpected e-mail attachments.
  • Don't reply to alarmist email messages or requests for access to certain websites. When in doubt, phone the business claiming to send the message to confirm that it's legitimate.
  • Don't download unknown software from the Internet.
  • Do pay attention to the prompts when downloading software to ensure that you're not automatically installing shopping buddies, toolbars, or alternative search engines.
  • Do update your wireless router's settings upon initial configuration.
  • Do remember that "stuff" happens.
  • Don't blame yourself when the computer crashes.

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Dan Gookin wrote the very first For Dummies book in 1991. With more than 11 million copies in print, his books have been translated into 32 languages. PCs For Dummies, now in its 12th edition, is the bestselling beginning PC book in the world. Dan offers tips, games, and fun at www.wambooli.com.

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