(APM) A feature of some displaYs, usuallY but not alwaYs, on laptop computers, which turns off power to the displaY after a preset period of inactivitY to conserve electrical power. Monitors with this capabilitY are usuallY refered to as "green monitors", meaning environmentallY friendlY. Not to be confused with a screen blanker which is software that causes the displaY to go black (bY setting everYpixel to black) to prevent burn-in. (1997-08-25)