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The most important task of a computer technician is to diagnose and repair common problems with desktop PCs, laptops, and MACs. This professional strictly deals with the hardware components of a computer. Most of the work involves inspecting and repairing different parts of a motherboard such as RAM modules, power supply, wiring, hard drives, DVD drives, CPU, ports, hubs, and more. A computer technician is trained to find the right replacement parts that are compatible with the specific computer that is being repaired.

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