Dell XPS M1530 Owner's Manual - Page 41

Using the Display, Adjusting Brightness - does not start up

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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 setting by pressing and the up- or down-arrow key on the keyboard. NOTE: Brightness key combinations only affect the display on your portable computer, not monitors or projectors that you attach to your portable computer or docking device. 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. You can press the following keys to adjust display brightness: • Press and the up-arrow key to increase brightness on the integrated display only (not on an external monitor). • Press and the down-arrow key to decrease brightness on the integrated display only (not on an external monitor). 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 to switch the video image between the display only, the external device only, or the display and the external device simultaneously. Using the Display 41

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Using the Display
41
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 setting by pressing
<Fn> and the up- or down-arrow key on the keyboard.
NOTE:
Brightness key combinations only affect the display on your portable
computer, not monitors or projectors that you attach to your portable computer or
docking device. 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.
You can press the following keys to adjust display brightness:
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).
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.