Computer Maintenance · Intermediate level

Intermediate level · Module 2 of 6 · 16 guided hours

Hardware Diagnostics and Repair

Find faulty components and replace them in desktops and laptops.

Learning objectives

  • Use diagnostic tools and firmware indicators
  • Replace desktop components
  • Repair common laptop faults

Topics

  • POST and beep codes
  • manufacturer diagnostics
  • memory and drive tests
  • power supplies and fans
  • laptop batteries, keyboards and screens
  • charging ports

Lessons

  1. Lesson 1 Hardware Diagnostic Tools

    Use tools and signals to find faulty hardware.

    POSTbeep and light codesmemory diagnosticsdrive health

  2. Lesson 2 Replacing Desktop Components

    Replace power supplies, fans, RAM and drives in desktops.

    power supply replacementfans and heatsinksthermal pastecable management

  3. Lesson 3 Laptop Repairs

    Fix the most common laptop faults.

    battery healthkeyboardsscreenscharging ports and adapters

Practical activity

Diagnose and replace faulty parts in lab desktops and laptops: RAM, power supply, fan, keyboard and battery.

Expected outcomes

  • Accurate hardware diagnosis
  • Safe component replacement

Assessment

Diagnostic and repair practicals with job cards.

Taught live by an instructor — online or in person. Free course lessons are for self-study and do not lead to a certificate — see registration options.