Dell Inspiron 7000, Справочное и ремонтное руководство

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Diagnostic Video Tests B-5
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The 40-column x 25-line color attributes subtest is the same as the previous subtest
except that the characters are displayed in 40-column by 25-line (double-wide) text
mode. Type
y
if each character is displayed correctly; otherwise, type
n
.
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The color bars subtest displays 16 bars in different colors with background intensity
enabled. Under each bar is the name of the color that should be displayed. Type
y
if
each color bar is displayed correctly; otherwise, type
n
.
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The Text Mode Pages Test checks the video subsystem’s ability to map and present all
available video pages on the display or monitor, one page at a time. The test displays
eight successive screens, the first of which contains 21 lines of 77 zeros. The remain-
ing seven screens are identical to the first, except that each screen substitutes a
different numeral (1 through 7) for the zeros.
Type
y
if all the rows of numbers on each screen are displayed correctly; otherwise,
type
n
.
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The Graphics Mode Test checks the video subsystem’s ability to present graphics
mode data and colors. This test displays a number of different screens, each of which
allows you to check some aspect of graphics mode data and colors. The following
subsections describe the Graphics Mode Test screens in the order in which they
appear.
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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 sec-
ond screen displays three pyramids in magenta, cyan, and white. Type
y
if all the
pyramids are the correct colors; otherwise, type
n
.
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The 320- x 200-pixel 16-color graphics mode screen displays a series of Xs in 16 differ-
ent colors with the name of the color beneath each X. Type
y
if all the Xs are the
correct colors; otherwise, type
n
.