Dell PowerEdge 2300 Installation and Troubleshooting Guide - Page 175

increase the color intensity, or press the left-arrow key to decrease the intensity.

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The 1024- x 768-pixel 256-color graphics mode screen displays a series of asterisks with four colors in each asterisk. Type y if all the asterisks appear to be correct; otherwise, type n. The 1280- x 1024-pixel 16-color graphics mode screen displays a series of squares in 16 different colors located in various positions on the screen. Type y if all the squares appear to be correct; otherwise, type n. The Color Palettes Test checks the video subsystem's ability to display all available colors. The test displays two screens that allow you to check the quality of different shades of the basic colors and to test the monitor's ability to vary the intensity of these colors. The first screen contains four sets of 64 squares, one for gray and one for each of the three basic colors (red, green, and blue). Each square contains a different shade of its associated color, ranging from very light to very dark. Type y if all the squares are the correct colors; otherwise type n. The second screen is the red/green/blue (RGB) color combination screen. This screen allows you to test the monitor's ability to increase or decrease the intensity of the three basic colors. The RGB color combination screen displays an RGB box in the top center of the screen with individual red, green, and blue boxes beneath it. Underneath the individual color boxes are three lines that show the intensity of each color. Type r, g, or b to adjust the intensity of the corresponding color; then press the right-arrow key to increase the color intensity, or press the left-arrow key to decrease the intensity. The RGB box should be able to display 262,144 different colors when you adjust the intensity levels of red, green, and blue. Type y if all the squares are the correct colors; otherwise type n. The Solid Colors Test checks whether the video subsystem is displaying the correct colors. This test also lets you check for missing pixels. When this test is running, four screens appear sequentially-a red screen, a green screen, a blue screen, and a white screen. Check each screen for missing pixels, and verify that the correct color is being displayed. When the test is complete, a message asks if you are satisfied with the quality of the colors. Type y if all the pixels were present and if the correct colors were displayed; otherwise, type n. Diagnostic Video Tests A-7

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Diagnostic Video Tests
A-7
´¿·¹±[±¼»½±·º»¶&RORU±*UDSKLFV±0RGH±6FUHHQ
The 1024- x 768-pixel 256-color graphics mode screen displays a series of asterisks
with four colors in each asterisk. Type
y
if all the asterisks appear to be correct;
otherwise, type
n
.
´·½¿±[±´¿·¹±´»¶&RORU±*UDSKLFV±0RGH±6FUHHQ
The 1280- x 1024-pixel 16-color graphics mode screen displays a series of squares in
16 different colors located in various positions on the screen. Type
y
if all the squares
appear to be correct; otherwise, type
n
.
&RORU±3DOHWWHV±7HVW
The Color Palettes Test checks the video subsystem’s ability to display all available col-
ors. The test displays two screens that allow you to check the quality of different
shades of the basic colors and to test the monitor’s ability to vary the intensity of
these colors.
The first screen contains four sets of 64 squares, one for gray and one for each of the
three basic colors (red, green, and blue). Each square contains a different shade of its
associated color, ranging from very light to very dark. Type
y
if all the squares are the
correct colors; otherwise type
n
.
The second screen is the red/green/blue (RGB) color combination screen. This screen
allows you to test the monitor’s ability to increase or decrease the intensity of the
three basic colors.
The RGB color combination screen displays an RGB box in the top center of the
screen with individual red, green, and blue boxes beneath it. Underneath the individ-
ual color boxes are three lines that show the intensity of each color. Type
r
,
g
, or
b
to
adjust the intensity of the corresponding color; then press the right-arrow key to
increase the color intensity, or press the left-arrow key to decrease the intensity. The
RGB box should be able to display 262,144 different colors when you adjust the inten-
sity levels of red, green, and blue. Type
y
if all the squares are the correct colors;
otherwise type
n
.
6ROLG±&RORUV±7HVW±±±±
The Solid Colors Test checks whether the video subsystem is displaying the correct
colors. This test also lets you check for missing pixels. When this test is running, four
screens appear sequentially—a red screen, a green screen, a blue screen, and a
white screen. Check each screen for missing pixels, and verify that the correct color is
being displayed.
When the test is complete, a message asks if you are satisfied with the quality of the
colors. Type
y
if all the pixels were present and if the correct colors were displayed;
otherwise, type
n
.