This reference text provides troubleshooting and repair guidelines for PC storage and memory devices. It shows how to repair or replace: hard drives; backup drives; RAM ICs; SRAM and DRAM chips; floppy drives; CD-ROMs; expansion SIMMS; FLASH cards. Readers can learn how data storage and memory equipment operates and the importance of regular cleaning, maintenance and alignment to the long, trouble-free life of drives and memory media. The book includes information on professional diagnostic techniques for IBM-compatible hard and floppy drives, tape backups, memory chips, solid-state memory cards and optical drives. It also covers new tools, test equipment and diagnostic software and includes consolidated troubleshooting charts, vendor listings, glossary and a schematic symbols chart.