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CompTIA A+ Exam 220-901: Troubleshooting Peripheral and Mobile Devices

Target Audience
Expected Duration
Lesson Objectives
Course Number
Expertise Level

Computer peripherals and mobile devices have a lot in common when troubleshooting these devices. Knowing how these devices should work and identifying common problems is part of maintenance.

Target Audience
This path is intended for anyone who wishes to enter the IT professional field, and requires entry-level training to get them started with a career in technical support.


Expected Duration (hours)

Lesson Objectives

CompTIA A+ Exam 220-901: Troubleshooting Peripheral and Mobile Devices

  • start the course
  • describe troubleshooting speakers
  • describe no Bluetooth connectivity
  • describe why the GPS is not functioning
  • troubleshooting External Monitors and Touchscreens
  • describe NAT vs DNAT
  • describe common TCP/IP ports
  • describe static vs dynamic IP addresses
  • describe unable to decrypt e-mail
  • describe battery chargers for mobile devices
  • describe physically protecting mobile devices
  • describe wireless locator
  • describe wireless indicator
  • describe troubleshooting mobile devices
  • describe apps not loading
  • describe extremely short battery life
  • describe swollen battery
  • describe image processing
  • describe troubleshooting image processing
  • describe inkjet printers
  • describe dot matrix printers
  • Course Number:

    Expertise Level