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How to estimate the PSU rating of your computer?
You’ve upgraded your PC and now you’re worried whether the power supply’s up to the job, but how do you know how much power those components use? Well, there are a couple of easy ways...Published on May 24, 2011 to Computer Hardware
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When a Computer Power Supply Fails
Like everything else, computer power supply units (PSUs) eventually fail. Identifying the PSU as the problem in a broken computer is not always that easy. We explain how to diagnose and correct power supply problems.Published on May 19, 2011 to Computer Hardware
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How Do Wireless Headphones Work?
There are three technologies available for wireless headphones: infrared, radio and bluetooth. In this article, I explain the functional differences to help you choose between them and learn how wireless headphones really work.Published on December 8, 2009 to Computer Hardware
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What is Resolution? Display Image Quality Explained
In practice, image quality can be a confusing topic because the word resolution is used by computer and associated hardware manufacturers to describe the capacity of a display. Photographers and printers use it to describe image quality while, for scanners...Published on August 14, 2009 to Computer Hardware
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500 Internal Server Error: What Does it Mean? & How Can You Fix it?
Occasionally when you arrive at a web page, your browser will display the message: 500 internal server error - it’s a show stopper and it looks mean and nasty.Published on June 11, 2009 to Computer Hardware