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
k
e
yboar
d
.
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
V
i
deo
Image From Your Computer Display to
a
Projector
When
you start
the
computer
with
an external device (such as an external
monitor or projector)
attached 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.
Making Images and Text Look Bigger or Sharper on the Screen:
Setting Display Resolution and Refresh
Rate
NOTE:
If
you change the display resolution from the current settings, the image may appear blurry or text may
be
hard to read
if
you change the resolution to one not supported by your computer and display. Before
you
change any of the display settings, make a note of the current settings so you can change back to the
previous
settings
if
you need
to.
Using the Display
43
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