21.   How best for a president to wrap up and let the screens go to black?

22.   I turned on my new computer and the screen went blank.

23.   If a viewer has programmed the television to block all shows with a certain rating, the screen will simply go blank when such a show starts.

24.   If the code exceeds the level set by parents, the screen goes blank.

25.   In response, Barrett told of a client who called up a technical support line to complain that his monitor screen had gone black.

26.   Its images remain in the mind long after the screen goes dark.

27.   My monitor screen went blank, and I was immediately transported to the ESPN Sports Zone.

28.   Screen goes black, sound continues.

29.   She got her way, but the video screens went blank within seconds and stayed that way for much of the day.

30.   She hits the power button and the screen goes dark.