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

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
89 minutes

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.


Computer Peripherals 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





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