CompTIA A+ 220-902: A Practical Approach to Troubleshooting

This course is aimed at entry level IT professionals of less than one year of experience, and may also be useful as a review for veteran professionals who are attempting the CompTIA A+ exam, or deploying a technology that may be new to their organization.


Expected Duration
118 minutes

There is a practical approach to troubleshooting PC, security, mobile OS, and application issues. Starting with the actual symptom, different tools and scenarios are explored to resolve the issue. In this course, you will learn about troubleshooting PCs, security, mobile OSs, and applications, along with the steps, tools, and solutions you can use to fix them.


Troubleshooting PC OS Issues

  • start the course
  • describe troubleshooting PC OS problems
  • describe the importance of troubleshooting PC OS problems
  • implement troubleshooting PC OS problems
  • describe the symptoms and tools for troubleshooting
  • configure troubleshooting PC OS problems
  • describe troubleshooting tools for PC OS problems

Troubleshoot PC Security Issues

  • describe troubleshooting PC OS security issues
  • implement troubleshooting PC OS security issues
  • describe the importance of troubleshooting PC OS security issues
  • describe the importance of recognizing PC security issues

Troubleshoot Common Mobile OS Issues

  • describe troubleshooting dim display, intermittent wireless, no wireless connectivity, and no Bluetooth connectivity
  • describe how to troubleshoot when you cannot broadcast to external monitor, touch screen is nonresponsive, and apps are not loading
  • describe troubleshooting slow performance, inability to decrypt e-mail, and short battery life
  • describe troubleshooting overheating, frozen system, no sound from speakers, inaccurate touch screen response, and system lockout
  • describe troubleshooting signal drop, weak signal, power drain, and slow data speeds
  • describe troubleshooting unintended Wi-Fi connection, unintended Bluetooth pairing, and leaked personal files and data
  • describe troubleshooting data transmission over limit and unauthorized account access
  • describe troubleshooting unauthorized root access, location tracking, and camera and microphone activation, and high-resource utilization

Practice: Troubleshooting a PC OS

  • implement troubleshooting a PC OS





Multi-license discounts available for Annual and Monthly subscriptions.