(in film and video techniques such as chromakey) a blue background in front of which moving subjects are filmed and which allows a separately filmed background to be added to the final image

a blue-screen effect

(on a Windows computer system) a display in the form of an error message in white text on a blue background, occurring in the event of a system crash

the user restarts the PC after the blue screen

tricks for understanding and troubleshooting the dreaded blue screen of death

(of a Windows computer) experience a sudden system failure, resulting in the display of an error message in white text on a blue background

my computer just blue-screened every time it would try to boot up