BSoD
Alternatively referred to as a bluescreen or bugcheck in Microsoft Windows NT, 2000, and XP, BSoD is short for Blue Screen of Death and is a full blue screen error message generated by Microsoft Windows operating systems. Below are some examples of what a BSoD may look like.
Example of a Microsoft Windows 95, Windows 98,
and Windows ME blue screen of death
Example of a Microsoft Windows XP
blue screen of death
The blue screen is most commonly encountered and associated with computer running Microsoft Windows. However, other operating systems such as the Apple Macintosh may also get a blank blue screen, which is also referred to as a BSOD. Apple computers that have a blank blue screen indicate that the hard disk drive is bad in that computer.
Also see: Black screen of death, Bomb, Error, GPF, Guru Meditation, Operating system definitions, Windows minidump