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Upgrading & Repairing

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Upgrading and Repairing PCs Tip #25: Top 12 PC Troubleshooting Problems and Solutions
By Scott Mueller
Aug 10, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott lists some of the most frequently asked troubleshooting questions he receives, along with the solutions that typically address them.
Upgrading and Repairing PCs Tip #24: A Checklist of PC Maintenance Hand Tools
By Scott Mueller
Aug 7, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, you'll learn about the tools required to assemble a kit that is capable of performing basic, board-level service on PC systems.
Upgrading and Repairing PCs Tip #23: Building Your Own Computer: 16 Steps for Powering on Your System for the First Time
By Scott Mueller
Aug 6, 2015
So you've built your computer, but now will it work? In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott walks you through 16 steps to powering on your new system.
Upgrading and Repairing PCs Tip #22: Building Your Own Computer: Start By Deciding What to Build
By Scott Mueller
Aug 5, 2015
According to the CompTIA A+ Certification 2012 exam objectives, there are at least eight types of custom configurations for PCs. In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott looks at these as a guide to help you select the appropriate components for your custom PC build.
Upgrading and Repairing PCs Tip #21: How to Use a Digital Multimeter to Check Your Computer's Power Supply
By Scott Mueller
Aug 4, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott shares a simple test you can perform on a power supply is to check the output voltages.
Upgrading and Repairing PCs Tip #20: Power Cycling: When to Turn Your Computer Off
By Scott Mueller
Aug 3, 2015
When should you turn your computer off? In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott lists the various factors you need to consider when deciding whether or not to power off.
Upgrading and Repairing PCs Tip #19: Wireless Network Security Basics
By Scott Mueller
Jul 31, 2015
Wireless networks can be accessed by anyone within signal range. In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott explores security features included in wireless networks, such as encryption.
Upgrading and Repairing PCs Tip #18: Types of Networks
By Scott Mueller
Jul 30, 2015
PANS, LANS, WANS, MANS...In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott discusses different types of networks.
Upgrading and Repairing PCs Tip #17: Internet Connection Security Basics
By Scott Mueller
Jul 29, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott discusses the most important things you can do for security when using a broadband Internet connection.
Upgrading and Repairing PCs Tip #16: High-Speed Internet Access: Which Type is Right for You?
By Scott Mueller
Jul 28, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott helps you make sense out of the confusing morass of plans available from cable modem, DSL, fixed wireless Internet, and satellite vendors.
Upgrading and Repairing PCs Tip #15: The Best Ways to Clean Your Computer Keyboard
By Scott Mueller
Jul 27, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott offers some tips on keeping your keyboard sparkling and stick-free.
Upgrading and Repairing PCs Tip #14: USB Security Risks
By Scott Mueller
Jul 24, 2015
USB drives have been used to spread many types of malware. In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott offers some precautions you can take to protect your information and devices.
Upgrading and Repairing PCs Tip #13: Troubleshooting PC Audio Problems
By Scott Mueller
Jul 23, 2015
Although Plug and Play (PnP) PCI and PCIe sound cards and integrated audio have eliminated the troublesome hardware resource conflicts that once made adding audio to a PC a big headache, there are still many possible sources of frustration with recording or playback. In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott helps you troubleshoot your audio hardware.
Upgrading and Repairing PCs Tip #12: How 3D Accelerators Work
By Scott Mueller
Jul 22, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott discusses the evolution and optimization of 3D graphics on your computer.
Upgrading and Repairing PCs Tip #11: Why Won't My CD or DVD Play? Troubleshooting Optical Drives
By Scott Mueller
Jul 21, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott offers tips for troubleshooting a CD or DVD that won't play.
Upgrading and Repairing PCs Tip #10: Comparing Flash Memory Devices: Which Is Best for Your Needs?
By Scott Mueller
Jul 20, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott gives you a list of issues to check before purchasing flash memory-based devices.
Upgrading and Repairing PCs Tip #9: What Is a Hard Disk Drive and What Does It Do?
By Scott Mueller
Jul 17, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott discusses the hard disk drive (HDD), one of the most important and yet mysterious parts of a computer system.
Upgrading and Repairing PCs Tip #8: How Magnetic Fields are Used to Store Data on Your Computer
By Scott Mueller
Jul 16, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott
Upgrading and Repairing PCs Tip #7: An Overview of the Integrated Drive Electronics (IDE) Interface
By Scott Mueller
Jul 15, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott covers the IDE interface, including definitions of ATA and SATA.
Upgrading and Repairing PCs Tip #6: What Is ROM?
By Scott Mueller
Jul 14, 2015
In this excerpt from the 22nd edition of Scott Mueller's Upgrading and Repairing PCs, Scott discusses the basics of read-only memory.

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