IT Support Basics for Beginners | Start Your Tech Career Right

Jun 30 / Sweta Khadgi

For anyone new to the field of IT, the path does not start with intricate coding or complex cloud computing. It begins with the basics of how computers function, how their components interact, and how to repair common technical issues.

Before diving into networks or systems administration, it’s essential to know how to work with the basic building blocks of technology.

Inside the PC: Core Hardware Components

A personal computer (PC) is made up of several essential components that IT support professionals must understand and handle confidently. These include:


  • Motherboard – the main circuit board that connects all components
  • Processor (CPU) – the brain of the computer
  • RAM – short-term memory holding programs in execution
  • Storage Devices (HDD/SSD) – where data is kept long-term
  • Power Supply Unit (PSU) – where the system gets its power
  • Peripherals – such as monitors, keyboards, printers, and mouse

In the majority of IT support positions, particularly entry-level ones, troubleshooting software, permissions, user accounts, printers, or connectivity is more important than hardware. But even as a novice, knowing the fundamentals of hardware is crucial because:


  • When conversing with other techs or vendors, it helps you speak the language of IT.
  • Physical problems (such as loose cables, overheating, or RAM issues) will frequently need to be found or confirmed.
  • It provides context and confidence for more complex ideas like networking, operating systems, and virtualization.

Cables and Connectors: More Than Just Wires

One of the most common IT support issues is to handle a bunch of cables and connectors. These are used for device, network installation, maintenance, or problem-solving. Some of the common cables include:

  • Power cables
  • Data cables
  • Video connector
  • Networking cables


Having the ability to identify these cables, know where they are employed, and identify potential connection issues is a day-to-day function of IT work.

Troubleshooting: The Core of IT Support

Troubleshooting is probably the most critical skill for IT support. It's not just a question of knowing how to recognize what's wrong, but understanding how to figure out what's wrong. Advanced troubleshooting involves:

  • Pinpointing visible or audible signs of failure
  • Carrying out regular checks on hardware
  • Changing or testing components
  • Using a sequence of iterative steps to exclude faults
  • Following ESD (electrostatic discharge) precautions when working with internal parts

These methods provide the basis for dealing with real-world scenarios with assurance and precision.

Why These Basics Matter

Mastery of PC hardware, cable management, and basic troubleshooting puts students in line for careers in:
  • Helpdesk or Desktop Support
  • Junior IT Technician roles
  • Network support roles
  • Specialized training in system administration or cloud support

These topics provide the foundation prior to moving on to more specialized topics like user accounts, system security, or enterprise networks.

If you wish to acquire these skills in a structured and practical environment, we offer our Job-Ready Program in IT System & Network Support for new entrants with no IT background.

You’ll get:
  • A clear, step-by-step learning plan
  • Practical training on industry tools
  • Detailed career support including resume building, mock interview & mentorship
Start your journey!

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