Professor Messer’s CompTIA A+ Core 1 Course Notes: Click here to learn about my Core 1 and Core 2 A+ downloadable PDF Course Notes, Practice Exams, and much more! How well do you know your A+ exam objectives? Follow along with our Q&A in this replay of our June 2025 Core 1 CompTIA A+ Study […]
Professor Messer’s 220-1201 CompTIA A+ Study Group – June 2025 Read More »
Professor Messer’s CompTIA 220-1201 A+ Study Group Replays Our A+ Study Groups include one hour of new questions each month, and we break down the questions and answers to give a perspective of how the technology is applied to the CompTIA Exam Objectives. The second hour of the Study Group is our “after show,” where I
Troubleshooting a printer combines software, networks, and a relatively complex mechanical device. In this video, you’ll learn how to troubleshoot bad output, garbled prints, paper jams, stuck queues, grinding noises, finishing issues, page orientation, and more. << Previous: Troubleshooting Networks Next Video: Core 1 Video Index >>
Troubleshooting Printers – CompTIA A+ 220-1201 – 5.6 Read More »
Troubleshooting a network issue can be a challenge for any technologist. In this video, you’ll learn about troubleshooting lack of connectivity, intermittent wireless connections, high jitter values, poor VoIP quality, port flapping, high latency, and more. << Previous: Troubleshooting Mobile Devices Next Video: Troubleshooting Printers >>
Troubleshooting Networks – CompTIA A+ 220-1201 – 5.5 Read More »
We rely on our mobile phones and tablets to keep us connected. In this video, you’ll learn about troubleshooting battery issues, broken screens, improper charging, liquid damage, overheating, digitizer issues, cursor drift, and more. << Previous: Troubleshooting Display Issues Next Video: Troubleshooting Networks >>
Troubleshooting Mobile Devices – CompTIA A+ 220-1201 – 5.4 Read More »
