Meyers, Mike, Mike Meyers' CompTIA A+ guide to managing and troubleshooting PCs / - 4th ed. - New York McGraw-Hill 2012 - xxix, 1327 pages : color illustrations ; 28 cm 1 CD-ROM (4 3/4 in.) Includes index. ISBN: 9780071795913 007179591X LC Class. No.: QA76.3 / .M57 2012