The Power Supply

The power supply is often a computer's most overlooked, yet most vital, component (Figure 2.5). Power supplies are measured in watts, but watts aren't everything. You want a well-built power supply that uses quality fans to keep it cool because nothing, and we mean nothing, causes your computer to fail faster than a cheap power supply.

Figure 2.5. Power supplies are the most overlooked component in a PC. A cheap power supply will ruin your day—it could make your operating system install stall out, damage your video card, slow down your motherboard, and so on. Don't skimp on your power supply. Repeat. Don't skimp on your power supply.

In our years of experience building computers, faulty power supplies have been at the root of ...

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