"Includes an all-new visual appendix on PC ports. Add a DVD burner, upgrade memory, recover from a virus, and more - no experience required! Want your PC to do more and crash less, but don't know where to begin? Relax! Now completely revised and updated, this classic guide demystifies the today's hardware and software - from video cards and Windows XP to FireWire and firewalls - and shows you step by step how to transform a balky PC into a glitch-free, turbocharged, multimedia machine." -- Provided by publisher