Print screen

The print button in Switzerland, the Print Screen key is an existing on most PC keyboards button. In German and Austrian keyboards is labeled " pressure ", similar in Swiss and U.S. keyboards "Print Screen ", "Prt Sc " or. Since the introduction of the MF2 keyboard in 1987, it is ( except for laptops ) to a separate key at the first PCs the same function using the key combination Shift * or Shift - x ( multiplication sign on the numeric keypad ) has been reached.

Function

Under MS- DOS, the key was originally used to create the connected printer regardless of the software in a simple hard copy of the currently displayed screen contents. Thus, information could also be printed when the current program did not provide your own print function.

Under Microsoft Windows will create a screenshot in bitmap format by pressing the Print or Print Screen key and copied to the clipboard. This screenshot is thus for storage or processing. Only the currently active window to the clipboard instead of the complete desktop Pressing the Alt Print Screen. When using the function of the cursor is automatically hidden, so it does not appear in the screenshot. The take a screenshot using the Print Screen key does not work in the following situations:

  • When a program is busy, waits until the program stops responding again. Software that can take screenshots, ignored this.
  • Screenshots of 256-color programs (usually games) are almost completely black. However, some of these games have a built-in screenshot function.
  • In the video overlay technique of graphics card is informed that in a certain area of ​​the screen a certain color to be replaced with a video. When you create a screenshot, only these uniformly colored surface is absorbed and stored by the graphics program, although this still displays the moving image. Video overlays were once used in TV cards to reduce CPU load, but were abolished mainly with Windows Vista. The method and the associated problems are, however, deliberately used by Blu -ray software copy protection.
  • Computer Key
Scancode MS-DOS Esc key Scroll lock 8 (number) 9 (number) 4 (number) 6 (number) 3 (number)
247574
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