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

Dell Diagnostics: Dell OptiPlex GX1 Small-Form-Factor System User's Guidefile:///C|/infodev/2013/eDoc/OpGX1/UG/diag.htm [2/21/2013 11:47:14 AM]Text Mode Character TestChecks the video subsystem's ability to present data in text modes.Text Mode Color TestChecks the video subsystem's ability to present color in text modes.Text Mode Pages TestChecks the video subsystem's ability to map and present all available video pages on the screen,one page at a time.Graphics Mode TestChecks the video subsystem's ability to present data and color in graphics modes.Color Palettes TestChecks the video subsystem's ability to display all of the available colors.Solid Colors TestChecks the video subsystem's ability to show screens full of solid colors. Allows you to check formissing color subpixels.Many of these tests display characters or graphics on the screen for you to verify. Samples of these screensare shown in "Diagnostics Video Tests ."NOTE: The default limit for testing super video graphics array (SVGA) modes is No . If you are testingan external monitor, change the default to Yes .Why Run a Video Test?Many of the symptoms that would prompt you to run a subtest in the Video Test Group are obvious,because the monitor is the visual component of your computer system. Before you run the Video TestGroup or any of its subtests, you should make sure that the problem is not in your software or caused by ahardware change. You should also try running all of the software support utilities provided for the monitorand the video subsystem.If the following symptoms still occur, run the appropriate test(s) as follows:If your monitor shows a partially formed or distorted image, run all of the subtests in the Video TestGroup.If the alignment of text or images is off, regardless of the program you are running, run the Text ModeCharacter Test, Text Mode Pages Test, and Graphics Mode Test.If you have a color monitor or a program that runs in color, but the color is intermittent or not displayedat all, run the Text Mode Color Test , Color Palettes Test, and Solid Color Test.If your monitor malfunctions in one mode but works fine in another (for example, text is displayedcorrectly, but graphics are not), run the Text Mode Character Test , Text Mode Color Test, Text

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