Introduction to DOS
The first PCs didn't use the Windows Operating System, they used DOS. DOS has an interface where the user types text commands. The DOS interface is still available in Windows Vista, and is still used regularly by the most skilled system administrators. More ...
Use PowerShell and WMI to Get CPU Information
Suppose you want to get some information about the CPU in your computer. Can you remember which Control Panel utility will provide that information? If you use a PowerShell script to access WMI you can always get the information you want no mater how they rearrange Control Panel. More ...
Search for Text in Text Files
Getting Windows Folder Search function to reliably find text within a file is a real trick. There are several places within windows where you can configure search, but it never seems to do a reliable job. The solution is to use the simple batch file. More ...
Application, Program, Process, Service, Thread; What Does it All Mean?
Although applications, services, and processes are all pretty much the same thing, generally if its a program that displays a user interface, you should call it an application. A program that doesn't displays a user interface, you should call a service. More ...
Windows PC Performance Troubleshooting and Optimisation
If your aging PC is running slow and you're considering getting a new one, this article explains how you can diagnose your performance problems, streamline and tune up. You'd be surprised just how much more you can get out of what you have. More ...
How to Block Unwanted Websites with Your Netgear Router
Kids use the computer to play video games or search Google for their science projects. Being a parent you might be worried about what your children can watch online behind your back. More ...
Security Risks and Ways to Decrease Vulnerabilities in a 802.11b Wireless Environment
This document explains topics relating to wireless networks. The main topics discussed include, what type of vulnerabilities exist today in 802.11 networks and ways that you can help prevent these vulnerabilities from being exploited. More ...
Defend Your Business with a Firewall
A firewall is a piece of hardware or software that places a barrier between your network and the internet. It prevents outsiders from accessing your network and systems and delving into your confidential information or performing malicious acts. More ...
What Is Virtualization and What Are the Benefits?
The term virtualization most commonly refers to server virtualization - running multiple operating systems on a single physical computer. While most computers only have one installed operating system, server virtualization software allows a computer to run several operating systems. More ...
PC Technician's Guide to Providing Telephone Support
Troubleshooting PC problems over a telephone is a difficult task. Always keep complete support incident documentation. If you can't solve the problem, follow your company's escalation policy. If a problem is taking a long time to solve, try to work out a temporary work-around with the customer so that they can stay in business. By following the steps in this article you'll be able to provide successful telephone technical support. More ...
What is Hyper-V in Windows Server 2019?
Virtualization was a game changer. Instead of buying individual servers to run single applications, an organization could purchase more powerful servers to run a hypervisor that would run multiple virtual servers, referred to as virtual machines (VMs). More ...
Computer Technician's Guide to Electronics Disposal and Recycling
The United States alone creates about 3 million tons of electronics waste each year. Much of this electronics waste is sent to developing nations where primitive processing methods cause serious health and pollution problems. CompTIA considers the knowledge of how to properly dispose of old computer equipment, to be an important part of being a certified computer technician. More ...
Disable Programs That Run at Startup on Windows 10
Some programs start at the same time you start your computer. This can cause your computer to start slower, and because these pre-loaded programs stake out a portion of memory, they can cause your computer to run slower too. More ...
Create a Windows 7 System Repair Disc
One of the most important things you should have with your PC is a System Repair Disc. A System Repair Disc can be used to restore your operating system in the event of a catastrophic failure. To create a System Repair Disc, open the Control Panel and, in the System and Security group, click on Backup and Restore. More ...
