Author Archive for Professor Messer
James "Professor" Messer is the President and Chief Explainer of ProfessorMesser.com.
CompTIA A+ 220-702: 2.3 – Disk Management Tools
If you maintain your storage devices properly, they’ll tend to be more efficient and last much longer. In this video, you’ll learn how to manually defragment your hard disks, backup their contents, and check them for any logical or physical errors.
CompTIA A+ 220-702: 2.1 – Command Line Troubleshooting
The Windows command line can be a powerful troubleshooting environment if you know what to type. In this video, you’ll learn the important commands that will allow you to manipulate files, format disks, troubleshoot the network connection, and much more.
CompTIA A+ 220-702: 1.5 – Troubleshooting Printer Problems
Resolving printer issues is one of the more challenging aspects of your CompTIA A+ career. The printing process includes different devices, network connections, and moving parts. In this video, you’ll learn how to gather troubleshooting information, identify solutions, and resolve some of the most common printing issues.
CompTIA A+ 220-702: 1.4 – The A+ Toolbag
A well-equipped toolbag is an important part of any CompTIA A+ certified professional. In this video, you’ll learn which tools can help you with your day-to-day installation and troubleshooting tasks.
CompTIA A+ 220-702: 1.3 – Installing and Troubleshooting Laptop Components
Laptops hardware components are unique to their smaller form factor and portability. In this video, you’ll learn how to troubleshoot laptop video, check for problems with the LCD hardware, and troubleshoot issues with antenna wire connections.
CompTIA A+ 220-702: 1.2 – Troubleshooting Cooling Systems
A hot computer is almost certainly headed to an untimely failure. In this video, you’ll learn how to troubleshoot cooling systems and monitor the temperature of your computer components.
CompTIA A+ 220-702: 1.2 – Troubleshooting Adapter Cards
If you’ve used adapter cards to extend the capabilities of your personal computer, then you’ve probably needed to troubleshoot the hardware installation and the device driver operation. In this video, you’ll learn how to inspect adapter card installations for problems and how to confirm the device driver operation of an adapter card.
CompTIA A+ 220-702: 1.2 – Troubleshooting Memory
The process of troubleshooting memory is a combination of physical troubleshooting and software diagnostics. In this video, you’ll learn what to look for when troubleshooting the memory installation on the motherboard and how to use memory diagnostics software to diagnose memory issues.
CompTIA A+ 220-702: 1.2 – Troubleshooting Processors
Troubleshooting processors can be a challenge, since there are no wires, no moving parts, and no obvious multimeter access. In this video, you’ll learn how to use some nifty software tools to help stress test CPUs, check for overheating, and gather specific processor details.
CompTIA A+ 220-702: 1.2 – Troubleshooting Power Supplies
Troubleshooting power supplies requires some specialized tools and some common troubleshooting techniques. In this video, you’ll learn about circuit testers, the value of a good multimeter, and how to use these tools to troubleshoot power outlets and power supplies.



