Introduction to CompTIA A+ Course
Get the foundational IT skills you need to pass the CompTIA A+ certification and land your first tech support role. This course walks you through PC hardware, operating systems, networking, security, and troubleshooting using real-world scenarios. Build the hands-on confidence employers are looking for from day one.
What you will learn:
Identify, install, and troubleshoot PC hardware components, from CPUs to storage drives.
Configure Windows, macOS, and Linux operating systems for end-user environments.
Apply CompTIA's six-step troubleshooting methodology to hardware and network failures.
Understand core networking concepts including IP addressing, protocols, and wireless standards.
Implement endpoint security controls and recognize common malware and social engineering threats.
Prepare for both CompTIA A+ Core 1 and Core 2 exams with targeted exam strategies.
How you study in practice Introduction to CompTIA A+ Course
How you practise Introduction to CompTIA A+ Course
For companies looking to train their team
With Dedika for businesses, the course includes exercises and examples tailored to your own business and the specific needs of your company.
Course content
8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsPC Hardware Fundamentals and Components
PC Hardware Fundamentals and Components
Lesson 1 • Power and Safety Fundamentals
Explains electrical safety, ESD precautions, and proper tool use when handling components. Ensures safe work habits before any hands-on lab activity.
Lesson 2 • Inside the Desktop PC
Examines the motherboard, CPU, RAM, and power supply within a desktop chassis. Establishes the physical foundation for all subsequent hardware topics.
Lesson 3 • Expansion Cards and Ports
Identifies PCIe slots, GPU cards, sound cards, and external port types. Prepares students to upgrade and troubleshoot expansion hardware.
Lesson 4 • Storage Devices and Interfaces
Covers HDDs, SSDs, optical drives, and their connection interfaces. Connects storage concepts to system performance and data management.
Lesson 5 • Input and Output Devices
Reviews keyboards, mice, monitors, printers, and scanners as system peripherals. Grounds students in device categories tested on the A+ exam.
Chapter 2HideHide detailsSee detailsLaptop and Mobile Device Hardware
Laptop and Mobile Device Hardware
Lesson 1 • Laptop Connectivity and Ports
Reviews Thunderbolt, USB-C, HDMI, and wireless card slots on laptops. Prepares students to configure and troubleshoot laptop connectivity.
Lesson 2 • Display and Input Technologies
Examines laptop LCD/OLED panels, backlighting, and built-in input devices. Connects display and input knowledge to common service scenarios.
Lesson 3 • Mobile Device Hardware Overview
Identifies smartphones and tablet components including SoCs, batteries, and screens. Extends hardware knowledge to mobile platforms covered on the A+ exam.
Lesson 4 • Laptop Disassembly and Reassembly
Teaches safe disassembly procedures, screw management, and component reseating. Reinforces safety habits from Chapter 1 in a portable-device context.
Lesson 5 • Laptop Internal Components
Covers laptop-specific CPUs, SO-DIMM RAM, and integrated graphics. Builds on desktop knowledge by highlighting form-factor differences.
Chapter 3HideHide detailsSee detailsOperating System Installation and Configuration
Operating System Installation and Configuration
Lesson 1 • OS Maintenance and Updates
Explains Windows Update, patch management, and scheduled maintenance tasks. Ensures students can keep operating systems secure and stable over time.
Lesson 2 • Windows Configuration and Settings
Covers Control Panel, Settings app, user accounts, and power options. Prepares students to configure a Windows environment to meet user requirements.
Lesson 3 • Windows Installation Process
Walks through clean install, upgrade, and repair installation methods for Windows. Connects BIOS/UEFI boot settings from hardware chapters to OS deployment.
Lesson 4 • macOS and Linux Essentials
Introduces macOS Finder, System Preferences, and basic Linux terminal commands. Broadens OS competency beyond Windows for multi-platform support roles.
Lesson 5 • Operating System Concepts
Defines OS roles, kernel functions, and file system types. Provides the conceptual framework needed before performing any installation.
Chapter 4HideHide detailsSee detailsNetworking Concepts and Connectivity
Networking Concepts and Connectivity
Lesson 1 • Networking Models and Protocols
Introduces the OSI and TCP/IP models and maps common protocols to their layers. Provides the conceptual framework for all subsequent networking topics.
Lesson 2 • Wired Network Hardware
Covers Ethernet cables, switches, routers, and patch panels used in LANs. Connects physical hardware knowledge from earlier chapters to network infrastructure.
Lesson 3 • IP Addressing and Subnetting
Teaches IPv4 and IPv6 addressing, subnet masks, and CIDR notation. Builds the addressing skills needed to configure and troubleshoot network connections.
Lesson 4 • Network Troubleshooting Tools
Applies command-line tools and hardware testers to diagnose network issues. Reinforces protocol knowledge by mapping symptoms to diagnostic steps.
Lesson 5 • Wireless Networking Standards
Examines Wi-Fi standards, frequencies, channels, and security protocols. Prepares students to configure and troubleshoot wireless access points.
Chapter 5HideHide detailsSee detailsHardware and Network Troubleshooting
Hardware and Network Troubleshooting
Lesson 1 • CPU, RAM, and Storage Failures
Diagnoses overheating CPUs, failing RAM modules, and degraded storage drives. Applies component knowledge from Chapters 1 and 2 to fault isolation.
Lesson 2 • POST and Boot Failure Diagnosis
Interprets POST beep codes, error messages, and boot sequence failures. Connects BIOS/UEFI knowledge from earlier chapters to real failure scenarios.
Lesson 3 • Display and Peripheral Troubleshooting
Resolves monitor, printer, and input device failures using systematic isolation. Reinforces peripheral knowledge from earlier hardware chapters.
Lesson 4 • Network Connectivity Troubleshooting
Diagnoses wired and wireless connectivity failures using tools and methodology. Integrates networking concepts from Chapter 4 into applied fault resolution.
Lesson 5 • CompTIA Troubleshooting Methodology
Defines the six-step CompTIA troubleshooting process from identification to documentation. Establishes a repeatable framework applied in all subsequent troubleshooting sections.
Chapter 6HideHide detailsSee detailsWindows Administration and User Support
Windows Administration and User Support
Lesson 1 • Windows Administrative Tools
Uses Task Manager, Event Viewer, Registry Editor, and MMC snap-ins for system administration. Equips students with the built-in tools used daily by support technicians.
Lesson 2 • NTFS Permissions and File Sharing
Configures NTFS permissions, shared folder access, and inheritance rules. Connects file system knowledge from Chapter 3 to multi-user access control.
Lesson 3 • User Account Management
Creates, modifies, and disables local and domain user accounts in Windows. Builds on OS configuration skills from Chapter 3 with an administrative focus.
Lesson 4 • Remote Support and Access Tools
Configures Remote Desktop, Remote Assistance, and third-party remote tools. Prepares students to support users without physical access to the device.
Lesson 5 • Command-Line Administration
Executes essential commands in CMD and PowerShell for file, network, and system tasks. Reinforces troubleshooting methodology from Chapter 5 with CLI tools.
Chapter 7HideHide detailsSee detailsSecurity Fundamentals and Threat Mitigation
Security Fundamentals and Threat Mitigation
Lesson 1 • Endpoint Security Controls
Covers antivirus software, host-based firewalls, and Windows Defender configuration. Connects OS knowledge from Chapter 3 to practical endpoint protection.
Lesson 2 • Physical Security Measures
Examines cable locks, badge access, surveillance cameras, and secure disposal. Extends security beyond software to the physical layer of protection.
Lesson 3 • Security Concepts and Terminology
Defines confidentiality, integrity, availability, and core security vocabulary. Provides the conceptual baseline for all threat and mitigation topics that follow.
Lesson 4 • Malware Types and Attack Vectors
Classifies viruses, ransomware, spyware, and social engineering attacks. Prepares students to recognise threats before applying mitigation techniques.
Lesson 5 • Wireless and Network Security
Applies encryption, VPNs, and network segmentation to protect wireless and wired networks. Builds on networking concepts from Chapter 4 with a security focus.
Chapter 8HideHide detailsSee detailsOperational Procedures and Professionalism
Operational Procedures and Professionalism
Lesson 1 • Safety and Environmental Procedures
Covers electrical safety, material safety data sheets, and proper disposal of hazardous components. Reinforces safety habits introduced in Chapter 1 within a workplace compliance context.
Lesson 2 • Change Management Procedures
Defines change request, approval, rollback, and impact analysis processes. Prepares students to implement changes safely within organisational IT environments.
Lesson 3 • Documentation and Ticketing Systems
Explains asset inventory, network diagrams, and help desk ticketing workflows. Connects troubleshooting documentation from Chapter 5 to formal IT operations.
Lesson 4 • Professional Communication and Ethics
Addresses active listening, clear communication, privacy boundaries, and ethical conduct. Integrates soft skills with technical competencies for complete IT support readiness.
Lesson 5 • Backup and Disaster Recovery
Covers full, incremental, and differential backup types and recovery testing. Ensures students can protect and restore data across the environments covered in prior chapters.
Your valid completion certificate
This course is for you:
Career changer: looking for a reliable entry point into the technology industry.
Recent graduate: wanting a vendor-neutral credential before the first job search.
Military veteran: translating service discipline into a structured IT certification path.
Small business owner: needing to manage and troubleshoot their own office technology.
Customer service rep: ready to move into a technical support role with credentials.
Hobbyist builder: looking to formalize self-taught hardware knowledge for employment.
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