Graphics Mode Test; 320 X 200 Graphics Mode Screens; 640 X 200 Black/White Graphics Mode Screen - Dell OptiPlex N Troubleshooting Manual

G
raphics Mode Test
The Graphics Mode Test checks the video subsystem's
ability to present graphics mode data and colors. This test
displays nine different screens, each of which allows you
to check some aspect of graphics mode data and colors.
The following subsections describe Graphics Mode Test
screens in the order in which they appear.
NOTE: Some of the following tests may not appear if
your system does not support the video mode being
tested.
A-10 Diagnostics and Troubleshooting Guide

320 x 200 Graphics Mode Screens

The Graphics Mode Test displays two successive
320- x 200-pixel graphics mode screens: The first screen
displays three pyramids in red, green, and yellow. The
second screen displays three pyramids in magenta, cyan,
and white. Type y if all the pyramids are the correct
colors; otherwise, type n.
640 x 200 Black/White Graphics Mode
Screen
The 640- x 200-pixel black/white graphics mode screen
displays a black rectangle and a white rectangle on a gray
background. Type y if the boxes are displayed correctly;
otherwise, type n. Figure A-8 shows an example of this
screen.