To the untrained eye, a computer repair can seem extremely difficult. People assume that this level of technology is out of their field. In truth, computer repair becomes very simple once you understand its core components and their jobs. |
The motherboard is the most fundamental part of a computer. Every other component plugs into the motherboard in one way or another. Once everything is hooked up, the motherboard transmits information to and from the various devices plugged into it.
The power supply is what gives power to all of the components in a computer. It takes electricity from the wall, and converts it into power that the motherboard and other components can handle and use. If you follow the electrical cord from the wall to your computer, that is where the power supply is located.
The processor is mounted directly onto the motherboard. It is responsible for the computational power of your machine. The better the processor, the faster programs on your computer will run.
Memory, or RAM, cooperates with the processor to give your computer greater multitasking ability. Each program that is open on your computer requires a certain amount of memory dedicated to it. The more memory you have, the more programs you can run simultaneously. RAM comes in sticks that can be added or removed to the motherboard's built-in RAM slots.
The hard drive is where all of your files and information are stored. Without your hard drive, you would lose everything you had done on a computer each time you restart it. Hard drives are connected to the motherboard via a cable. Your operating system is installed onto the hard drive, so its integrity is essential to your computer running properly.
There are other, less necessary, parts of a computer, but the basics were all covered. You can use what you know now to help diagnose problems. If your computer isn't powering up at all, you may need to replace the power supply. If your operating system isn't booting properly, it may be a hard drive problem. When a computer is “broken,” it is usually just one component that is malfunctioning, so fixing it is as easy as replacing that single component.
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