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Have you ever wondered what causes the infamous blue screen of death on Microsoft computers? Well, here we explain what causes it.

Those of you who ask just a little too much from what their computers can handle, or you're poor PC is loaded with viruses, have quite possibly experienced a sudden terminal error that presents a blue screen, usually with a " :( " symbol there to further tell you something is not quite right.

But what causes this "blue screen of death" fault in PCs?

Well, all the tech nerds out there would have picked up that, depending on what caused the blue screen of death, your PC will tell you what caused the error by means of a fault code. These individual codes can be caused by a number of things.

When you experience a blue screen of death, usually you are presented by some sort of a mysterious error code that is made up of a collection of letters and numbers that, quite frankly, means nothing to you as the user.

The most common one is the "IRQL_NOT_LESS_OR_EQUAL" error code, which basically means Interrupt Request Level. This means that a program tried to access a piece of memory data that was being protected by the operating system for some sort of important system task and, because system, program or device drivers usually have to access these specific parts of memory, this error typically points to some sort of driver error. And, because the driver and/or program can't access this memory data, the entire system shuts down as a result, thus throwing a blue screen of death.

For more on this and most of the other common errors, take a look at the video below by YouTube channel, Tech Quickie, on the Blue Screen Of Death Explained.

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