Free course · Security & Infrastructure

Computer Maintenance Starter

A free, hands-on introduction to looking after computers: hardware basics, managing the operating system and software, troubleshooting common faults and preventive care for local conditions.

Free · self-study · no certificate About 5 hours 2 modules · 5 lessons

What you will be able to do

  • Identify the main hardware components and work safely
  • Keep an operating system updated and remove unwanted software
  • Diagnose common faults with a step-by-step checklist

Who it's for

  • Beginners who want to fix and maintain their own computers
  • Office and school staff who look after shared machines

Before you start

Basic computer use.

Module 1 · about 120 minutes

Hardware and Software Basics

Components, operating system care and troubleshooting.

  • Name components and their jobs
  • Follow a diagnostic checklist
  1. 1Lesson 1Computer Hardware Fundamentals
  2. 2Lesson 2Operating System & Software Management
  3. 3Lesson 3Troubleshooting Common Problems

Module 2 · about 80 minutes

Keeping Machines Running

Preventive maintenance for dust, heat and power, plus peripherals and connections.

  • Plan preventive maintenance
  • Connect and test peripherals
  1. 4Lesson 4Preventive Maintenance for South Sudan's Conditions
  2. 5Lesson 5Basic Networking & Peripherals
Final checkQuick Quiz — Computer Maintenance BasicsTest what you learned with a short quiz, marked instantly.

Further learning

  • Computer Maintenance — Diagnose and repair computers, install systems, and keep labs running smoothly.
  • Computer Networking — Design and maintain networks for offices, schools, and organizations.
  • Cybersecurity — Protect systems and data from attacks with practical security techniques and tools.

Want the full Computer Maintenance program?

This free course is an introduction. The full program is taught live by an instructor, with practical assignments, assessments, projects and a certificate.

See the Computer Maintenance program