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Many computers have more than one cooling fan to help users who run their computer heavily, such as video streaming or gaming. Cooling fanĬooling fans are a computer's system to decrease overheating. A technician may troubleshoot the power supply by turning off the computer, unplugging and detaching the power supply cord or trying a new cord or outlet.

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Typically, it's a power cord connected from the back of a PC tower into an electricity socket. Power supplyĪ power supply provides electricity to all components of a computer system.

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Another task a computer technician may do is use compressed air to spray inside the VGA port to ensure it's free of dust. Troubleshooting a VGA port could include verifying there isn't a loose connection, faulty cable or a broken monitor. Video graphics array portĪ video graphics array (VGA) port is a video input that is primarily used on PC monitors. Related: 31 Jobs in Technology and Science 4. A technician may backup all computer files before fixing RAM to avoid losing critical programs and documents.

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A technician may know how to identify the type of RAM in a computer, how to replace it if it's defective and how to diagnose problems with copying data from one location in memory to another.Ī technician should have knowledge about the different RAMs that are available and they may also know what types of errors might affect a computer's RAM operation. RAM is where data lives temporarily while it's being actively used by programs, such as when a user launches a computer application. They may also check the power supply and make sure the computer is receiving electricity. The first thing that a computer technician may do to troubleshoot any motherboard issues is to take the PC apart and inspect all the connections for corrosion. It houses the CPU, memory and secondary storage devices such as hard drives. It controls how data transfers and what type of monitor or screen device to use, for example. The motherboard provides the structure for all other components and connects them, while also providing a way to distribute power, deliver information and connect to devices such as a printer or mouse.

A CPU will not function properly unless it receives a signal from the power supply. Another step a computer technician may complete is verifying that power supply cables work. If a computer is experiencing CPU issues, a computer technician may start by checking the fan and cleaning out any dust or debris inside the machine. A computer's CPU may be one of the most complicated parts of the computer because of its intricacies. The CPU controls the computer processes and communicates with the other components of a personal computer. There are several basic components of computer hardware including: 1. Related: IT Technician Skills: Examples and Tips What are basic components of computer hardware? Since a computer comprises many hardware components, they work together and depend on each other to function properly. Personal computers (PCs) are electronic devices that use microchips to process information and may include desktop computers, laptops or tablets. Related: What Is an IT Technician? Job Description, Salary and How To Become One What is computer hardware?Ĭomputer hardware includes the physical components of a computer. In this article, we discuss what computer hardware is and the basic components of it along with how computer technicians can safely troubleshoot key parts of a personal computer. Computer technicians should know the basic components of computer hardware and how to work with each part, including the motherboard, power supply, keyboard, mouse and monitor.

It refers to the computer system, especially those that form part of the central processing unit. Computer hardware includes the physical parts of a computer.