What is a computer blue screen of death?

A computer blue screen of death (BSOD) is an error screen displayed on a computer system after a fatal system error. The error screen usually displays the name of the error, the type of error, and a brief description of the problem.

BSODs can be caused by software errors, hardware errors, or by a combination of the two. Software errors can be caused by faulty drivers, corrupted system files, or malware. Hardware errors can be caused by a malfunctioning component, such as a bad memory module or a faulty hard drive.

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