Mueller opened the book with a square-one information about opening the PC case - including discussion of various types of screws - and assembling a set of tools right. Age-tape fix all the channels disappear.) Upgrade & Repair PCs, Eighth Edition, provides an explanation of technical text and graphics that you need to get your engine humming, but describes the technical details of more than a step by step procedure. Companion CD-ROM contains six electronic books that you can search for topics such as Macintosh, network, operating system, and (pulling) the fourth edition of PC Upgrades & Repairs, which contains information on older hardware.