Professor Messer

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 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 >>

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 >>

Our LCD displays are the most-used output device on our computing systems. In this video, you’ll learn about troubleshooting input sources, LCD projector bulbs, fuzzy images, burn-in, dead pixels, flashing screens, and more. << Previous: Troubleshooting Storage Devices Next Video: Troubleshooting Mobile Devices >>

Our drives provide a critical long-term storage for our important documents. In this video, you’ll learn about troubleshooting grinding noises, drive not recognized errors, data loss, corruption, RAID issues, S.M.A.R.T. analysis, IOPS measurements, and more. << Previous: Troubleshooting Hardware Next Video: Troubleshooting Display Issues >>

Many troubleshooting tasks will involve computers, laptops, and other hardware. In this video, you’ll learn how to troubleshooting with the Power On Self Test (POST), blue screen of death (BSoD), proprietary error messages, blank screens, no power, sluggish performance, and overheating. << Previous: Cloud Characteristics Next Video: Troubleshooting Storage Devices >>

There are many different models for deploying a cloud infrastructure. In this video, you’ll learn about public vs. private cloud deployments, infrastructure as a service (IaaS), software as a service (SaaS), and platform as a service (PaaS). << Previous: Virtualization Services Next Video: Cloud Characteristics >>

There are many different methods to virtualize an operating system. In this video, you’ll learn about hypervisors, type 1 and type 2 virtualization, CPU support, network requirements, virtual desktop infrastructure (VDI), and containerization. << Previous: Virtualization Concepts Next Video: Cloud Models >>

Virtualization provides a way to run multiple operating systems simultaneously on the same physical system. In this video, you’ll learn about virtualization, sandboxing, developing software, legacy software use, and cross-platform virtualization. << Previous: Impact Printer Maintenance Next Video: Virtualization Services >>