Dell PowerEdge 6350 Installation And Troubleshooting Manual

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Contents

Dell PowerEdge 6350 Installation And Troubleshooting Manual Manual pdf 181 page image

Diagnostic Video Tests A-7[&RORU*UDSKLFV0RGH6FUHHQThe 1024- x 768-pixel 16-color graphics mode screen displays a series of hourglassesin 16 different colors. Type y if all the hourglasses appear to be correct; otherwise,type n.[&RORU*UDSKLFV0RGH6FUHHQThe 1024- x 768-pixel 256-color graphics mode screen displays a series of asteriskswith four colors in each asterisk. Type y if all the asterisks appear to be correct;otherwise, type n.&RORU3DOHWWHV7HVWThe Color Palettes Test checks the video subsystem’s ability to display all availablecolors. The test displays two screens that allow you to check the quality of differentshades of the basic colors and to test the monitor’s ability to vary the intensity ofthese colors.The first screen contains four sets of 64 squares, one for gray and one for each of thethree basic colors (red, green, and blue). Each square contains a different shade of itsassociated color, ranging from very light to very dark. Type y if all the squares are thecorrect colors; otherwise type n.The second screen is the red/green/blue (RGB) color combination screen. This screenallows you to test the monitor’s ability to increase or decrease the intensity of thethree basic colors.The RGB color combination screen displays an RGB box in the top center of thescreen 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 toadjust the intensity of the corresponding color; then press the right-arrow key toincrease the color intensity, or press the left-arrow key to decrease the intensity. TheRGB 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&RORUV7HVWThe Solid Colors Test checks whether the video subsystem is displaying the correctcolors. This test also lets you check for missing pixels. When this test is running, fourscreens appear sequentially—a red screen, a green screen, a blue screen, and awhite screen. Check each screen for missing pixels, and verify that the correct color isbeing displayed.When the test is complete, a message asks if you are satisfied with the quality of thecolors. Type y if all the pixels were present and if the correct colors were displayed;otherwise, type n.