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OptiPlex G1の取扱説明書・マニュアル [全174ページ 1.59MB]

Diagnostic Video Tests: Dell OptiPlex GX1 Small-Form-Factor System User's Guidefile:///C|/infodev/2013/eDoc/OpGX1/UG/viddiag.htm [2/21/2013 11:47:27 AM]1024 x 768 256-Color Graphics Mode ScreenThe 1024- x 768-pixel 256-color graphics mode screen displays a series of asterisks with four colors in eachasterisk. Type y if all the asterisks appear to be correct; otherwise, type n .1280 x 1024 16-Color Graphics Mode ScreenThe 1280- x 1024-pixel 16-color graphics mode screen displays a series of squares in 16 different colorslocated in various positions on the screen. Type y if all the squares appear to be correct; otherwise, type n .Color Palettes TestThe Color Palettes Test checks the video subsystem's ability to display all available colors. The testdisplays two screens that allow you to check the quality of different shades of the basic colors and to test themonitor'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 tovery 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 themonitor'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 theintensity 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 boxshould 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 .Solid Colors TestThe Solid Colors Test checks whether the video subsystem is displaying the correct colors. This test alsolets 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 thecorrect 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 thepixels were present and if the correct colors were displayed; otherwise, type n .Back to Contents Page

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