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User’s Manual B-1
PORTÉGÉ M400
Appendix B
Display Controller and Modes
Display controller
The display controller interprets software commands into hardware
commands that turn particular parts on the screen on or off.
The display controller supports VGA, SVGA and XGA modes on the
internal LCD display panel.
Two models are available:
■ 12.1" XGA, 1024 horizontal × 768 vertical pixels
■ 12.1" SXGA+, 1400 horizontal × 1050 vertical pixels
The display controller also controls the video mode, which uses industry
standard rules to govern the screen resolution and the maximum number of
colors that can be displayed on screen.
Video modes
Video mode settings are configured via the Display Properties dialog.
To open the Display Properties dialog, click Start -> Control Panel ->
Appearance and Personalization -> Personalization -> Display
Settings.
Because of the LCD’s increased resolution, lines may appear broken in
DOS mode.
If you are running some applications (for example a 3D application or video
playback and so on), you may see some disturbance, flickering or frame
dropping on your screen.
If that occurs, adjust the resolution of display, lowering it until the screen is
displayed properly.
You could also disable Windows Aero
TM
to help correct this situation.