Dell Precision M90 User Guide - Page 19

Using the Display - graphics card

Get Dell Precision M90 PDF manuals and user guides View all Dell Precision M90 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 19 highlights

Back to Contents Page Using the Display Dell Precision™ M90 User's Guide Adjusting Brightness Switching the Video Image Setting Display Resolution Adjusting Brightness When a Dell™ computer is running on battery power, you can conserve power by setting the 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 appears, but the brightness level on the monitor does not change. You can press the following keys to adjust display brightness: l Press and the up-arrow key to increase brightness on the integrated display only (not on an external monitor). l Press and the down-arrow key to decrease brightness on the integrated display only (not on an external monitor). Switching the Video Image 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 to switch the video image between the display only, the external device only, or the display and the external device simultaneously. Setting Display Resolution To display a program at a specific resolution, both the graphics card and the display must support the program, and the necessary video drivers must be installed. NOTE: If you change the display resolution from the current settings, the image may appear blurry or text may be harder to read. Before you change any of the display settings, make a note of the current settings for future use. If you choose a resolution or color palette that is higher than the display supports, the settings adjust automatically to the closest supported values. 1. Click the Start button and click Control Panel. 2. Under Pick a category, click Appearance and Themes. 3. Under Pick a task..., click the area you want to change, or under or pick a Control Panel icon, click Display. 4. Try different settings for Color quality and Screen resolution. NOTE: As the resolution increases, icons and text appear smaller on the screen. Back to Contents Page

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
Back to Contents Page
Using the Display
Dell Precision™ M90 User's Guide
Adjusting Brightness
Switching the Video Image
Setting Display Resolution
Adjusting Brightness
When a Dell™ computer is running on battery power, you can conserve power by setting the brightness to the lowest comfortable setting by pressing <Fn>
and the up- or down-arrow key on the keyboard.
You can press the following keys to adjust display brightness:
l
Press <Fn> and the up-arrow key to increase brightness on the integrated display only (not on an external monitor).
l
Press <Fn> and the down-arrow key to decrease brightness on the integrated display only (not on an external monitor).
Switching the Video Image
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.
Setting Display Resolution
To display a program at a specific resolution, both the graphics card and the display must support the program, and the necessary video drivers must be
installed.
If you choose a resolution or color palette that is higher than the display supports, the settings adjust automatically to the closest supported values.
1.
Click the
Start
button and click
Control Panel
.
2.
Under
Pick a category
, click
Appearance and Themes
.
3.
Under
Pick a task...
, click the area you want to change, or under
or pick a Control Panel icon
, click
Display
.
4.
Try different settings for
Color quality
and
Screen resolution
.
Back to Contents Page
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
appears, but the brightness level on the monitor does not change.
NOTE:
If you change the display resolution from the current settings, the image may appear blurry or text may be harder to read. Before you change
any of the display settings, make a note of the current settings for future use.
NOTE:
As the resolution increases, icons and text appear smaller on the screen.