Using the Display 39Using the DisplayAdjusting BrightnessWhen a Dell™ computer is running on battery power, you can conserve powerby setting the display brightness to the lowest comfortable level.• Press and the up-arrow key to increase brightness on the integrateddisplay only (not on an external monitor).• Press and the down-arrow key to decrease brightness on theintegrated display only (not on an external monitor).Switching the Video Image From Your ComputerDisplay To a ProjectorWhen you start the computer with an external device attached (such as anexternal monitor or projector) and turned on, the image may appear on eitherthe computer display or the external device.Press to switch the video image between the display only, theexternal device only, or the display and the external device simultaneously.Downloaded from www.Manualslib.com manuals search engine
