General Procedures
With the hand tools and utilities described in the preceding sections, you have everything you need to upgrade or repair a PC except for the new components. Before you start, take a few minutes to read through the following sections, which describe the common procedures and general knowledge you need to work on PCs. These sections describe the common tasks involved in working on a PC—things like opening the case, setting jumpers, manipulating cables, and adding or removing expansion cards. Instructions for specific tasks like replacing a motherboard, disk drive, or power supply are given in the relevant chapter.
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