By Jean Andrews

Written by means of best-selling computer fix writer and educator Jean Andrews, the 5th variation of A+ consultant to undefined: handling, preserving, and Troubleshooting maps absolutely to CompTIA's 2009 A+ examination ambitions. This full-color advisor is the main whole, step by step e-book to be had for studying the basics of assisting and troubleshooting computing device undefined. even as, it prepares readers to effectively move the A+ 220-701 and 220-702 checks. the hot variation is formatted to aid any educating or studying sort and direction structure, that includes an essentials-to-practical association inside each one bankruptcy and inclusion of tabs distinguishing examination content material. extra content material and stay demonstrations with Jean Andrews can be found at the accompanying CD, making this new version a complete resolution for upkeep and service.

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Treat discs with care and they’ll generally last for years. COMPTIA AUTHORIZED CURRICULUM PROGRAM The logo of the CompTIA Authorized Curriculum Program and the status of this or other training material as “Authorized” under the CompTIA Authorized Curriculum Program signifies that, in CompTIA’s opinion, such training material covers the content of the CompTIA’s related certification exam. CompTIA has not reviewed or approved the accuracy of the contents of this training material and specifically disclaims any warranties of merchantability or fitness for a particular purpose.

Hold an expansion card by the edges. Don’t touch any of the soldered components on a card. If you need to put an electronic device down, place it on a grounded mat, inside a static shielding bag, or on a flat, hard surface. Keep components away from your hair and clothing. PROTECT HARD DRIVES AND DISKS Always turn off a computer before moving it, to protect the hard drive, which might be spinning. Never jar a computer while the hard disk is running. Avoid placing a PC on the floor, where the user can accidentally kick it.

The keyboards that are standard today are called enhanced keyboards and hold 104 keys. Ergonomic keyboards are curved to make them more comfortable for the hands and wrists. In addition, some keyboards come equipped with a mouse port used to attach a mouse to the keyboard, although it is more common for the mouse port to be on the computer case. Electricity to run the keyboard comes from inside the computer case and is provided by wires in the keyboard cable. A mouse is a pointing device used to move a pointer on the screen and to make selections.

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