Computer Maintenance & Hardware Training Course in Nigeria | SIS Tech Institute

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About Course

Learn how to diagnose, repair, upgrade, and maintain computers professionally — and turn your skills into income.

The Computer Maintenance & Hardware Training Course at SIS Tech Institute is a practical, hands-on program designed to equip beginners, students, and aspiring technicians with real-world computer repair and IT support skills. This course focuses on both desktop and laptop maintenance, covering hardware components, software troubleshooting, and preventive maintenance techniques used by professional technicians.

Students will learn how to identify faulty computer parts, repair common hardware issues, install and configure operating systems, perform system upgrades, and maintain computers for optimal performance. The training is project-based, ensuring learners gain experience working with real computers, tools, and repair scenarios.

In addition to technical skills, this course includes income and business guidance, teaching students how to start a computer repair business, attract clients, price services, and offer maintenance contracts. By the end of the program, graduates will be confident to work as computer technicians, IT support staff, or independent repair professionals.

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What Will You Learn?

  • Month 1: Fundamentals of Computer Maintenance
  • Week 1: Introduction to Computer Hardware & Software
  • - Day 1: Understanding Computer Components (Motherboard, CPU, RAM, Storage, PSU, etc.)
  • - Day 2: Operating System Basics (Windows, Linux, macOS)
  • - Day 3: Tools for Computer Maintenance (Screwdrivers, Multimeters, Diagnostic Software)
  • Week 2: Hardware Assembly & Disassembly
  • - Day 4: Safety Measures & Handling Computer Components
  • - Day 5: Assembling a Desktop Computer from Scratch
  • - Day 6: Laptop Disassembly & Reassembly Best Practices
  • Week 3: Software Installation & Configuration
  • - Day 7: Installing Windows, Linux, and macOS
  • - Day 8: Installing Drivers & Essential Software
  • - Day 9: Configuring BIOS/UEFI and Bootable USB Creation
  • Week 4: Operating System Updates & Upgrades
  • - Day 10: Updating Windows, macOS & Linux (Manual & Automatic)
  • - Day 11: Upgrading Windows (Home to Pro, 32-bit to 64-bit)
  • - Day 12: Software Update Management & Best Practices
  • Month 2: Troubleshooting & Networking
  • Week 5: Common Computer Issues & Solutions
  • - Day 13: Diagnosing Hardware Failures (No Display, No Boot, Overheating)
  • - Day 14: Fixing Slow Performance & Freezing Issues
  • - Day 15: Resolving Blue Screen of Death (BSOD) Errors
  • Week 6: Networking Basics & Troubleshooting
  • - Day 16: Introduction to Networking (LAN, WAN, Wi-Fi, Ethernet)
  • - Day 17: Setting Up & Configuring Routers, Switches & Network Cables
  • - Day 18: Troubleshooting Network Connectivity Issues
  • Week 7: Data Backup & Recovery
  • - Day 19: Different Backup Methods (Local, Cloud, External Drives)
  • - Day 20: Using System Restore & Recovery Tools
  • - Day 21: Recovering Lost Data from Hard Drives & USB Devices
  • Week 8: Security & Virus Removal
  • - Day 22: Understanding Cybersecurity & Malware Threats
  • - Day 23: Installing & Configuring Antivirus & Firewalls
  • - Day 24: Removing Viruses, Spyware & Ransomware Manually
  • Month 3: Advanced Maintenance & Part Replacement
  • Week 9: Laptop & Desktop Component Replacement
  • - Day 25: Replacing Hard Drives with SSDs & Cloning OS
  • - Day 26: Upgrading RAM & Graphics Card Installation
  • - Day 27: Changing Laptop Screens, Keyboards, and Batteries
  • Week 10: Power Supply & Cooling System Maintenance
  • - Day 28: Diagnosing & Replacing Power Supply Units (PSU)
  • - Day 29: Cleaning & Replacing Cooling Fans & Thermal Paste
  • - Day 30: Preventing Overheating in Laptops & Desktops
  • Week 11: Peripheral Devices & Maintenance
  • - Day 31: Setting Up & Troubleshooting Printers & Scanners
  • - Day 32: Fixing Issues with External Storage Devices & USB Ports
  • - Day 33: Diagnosing & Fixing Display & Audio Issues
  • Week 12: Final Project & Career Opportunities
  • - Day 34: Diagnosing & Fixing a Real Computer Issue
  • - Day 35: How to Start a Computer Maintenance Business
  • - Day 36: Final Project Review & Certification