Using the Display 31
Using the Display
Adjusting Brightness
When a Dell™ computer is running on battery power, you can conserve
power by setting the display brightness to the lowest comfortable level.
• Press <Fn> and the up-arrow key to increase brightness on the integrated
display only (not on an external monitor).
• Press <Fn> and the down-arrow key to decrease brightness on the
integrated display only (not on an external monitor).
NOTE: Brightness key combinations only affect the display on your portable
computer, not monitors or projectors that you attach to your portable computer.
If your computer is connected to an external monitor and you try to change the
brightness level, the Brightness Meter may appear, but the brightness level on the
external device does not change.
Switching the Video Image From Your Computer
Display To a Projector
When you start the computer with an external device attached (such as an
external monitor or projector) and turned on, the image may appear on either
the computer display or the external device.
Press <Fn><F8> to switch the video image between the display only, the
external device only, or the display and the external device simultaneously.
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