CompTIA A+ 220-1101

We rely on our mobile devices for instant information. In this video, you’ll learn about troubleshooting poor battery life, broken screens, poor connectivity, and more. << Previous Video: Troubleshooting Video and Display Issues Next Video: Troubleshooting Printers >> Most of our mobile devices make use of batteries so we can continue to use these devices […]

Display problems can bring all work to a grinding halt. In this video, you’ll learn how to troubleshoot bad displays, image quality issues, LCD projectors, and much more. << Previous Video: Troubleshooting Storage Devices Next Video: Troubleshooting Mobile Devices >> If you see no signal from a video display then it’s possible that you have

We rely on our storage devices for the safety and availability of our operating systems and data. In this video, you’ll learn how to troubleshoot storage devices with boot failures, data corruption, RAID recovery options, and more. << Previous Video: Troubleshooting Common Hardware Problems Next Video: Troubleshooting Video and Display Issues >> Something you do

There are often common problems found when troubleshooting hardware issues. In this video, you’ll learn how to troubleshoot common hardware problems such as startup errors, Windows stop errors, power issues, overheating, and much more. << Previous Video: How to Troubleshoot Next Video: Troubleshooting Storage Devices >> When you first turn on your PC, there are

A technician will often be in the position of solving new and unexpected problems. In this video, you’ll learn how to methodically follow a troubleshooting process to resolve any issue. << Previous Video: Client-side Virtualization Next Video: Troubleshooting Common Hardware Problems >> When you’re working with your computer at home, you can decide to perform

Running multiple operating systems on a single desktop system has become relatively commonplace. In this video, you’ll learn about client-side virtualization and the steps required to run, secure, and network virtual machines. << Previous Video: Cloud Characteristics Next Video: How to Troubleshoot >> Virtualization technology allows us to run multiple operating systems on one single

A cloud-based service is more than just a remote computing device. In this video, you’ll learn about shared resources, metered services, rapid elasticity, high availability, and more. << Previous Video: Cloud Models Next Video: Client-side Virtualization >> There are many different ways to deploy a cloud instance. One way is to use an internal cloud.

There are many different ways to deploy an application in the cloud. In this video, you’ll learn about Infrastructure as a Service (IaaS), Software as a Service (SaaS), and Platform as a Service (PaaS). << Previous Video: 3D Printers Next Video: Cloud Characteristics >> If you check online, there are thousands of different definitions of

3D printers can provide rapid prototyping and object creation. In this video, you’ll learn about filament printing, resin printing, and the print bed of a 3D printer. << Previous Video: Impact Printer Maintenance Next Video: Cloud Models >> So far in our videos, we’ve talked about traditional printers, such as inkjet printers, laser printers, and

Some simple maintenance steps can keep your impact printer in peak operating condition. In this video, you’ll learn about replacing a ribbon, dot-matrix print head replacement, and replacing the continuously-fed printer paper. << Previous Video: Impact Printers Next Video: 3D Printers >> On a dot matrix printer, there is an ink ribbon that’s inside of