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You Cannot Select the Highest Monitor Graphics Modes
Article ID: 309569 - View products that this article applies to.
This article was previously published under Q309569
When you try to select the highest possible refresh rates or resolutions that are supported by your monitor and video adapter, you may be unable to do so.
This problem can occur because of the way Windows calculates the supported graphics modes based on the information in your monitor's .inf file. The .inf file lists a maximum supported horizontal and vertical bandwidth for that monitor, and Windows calculates the supported video modes based on this data. In some cases, the algorithm that is used is too conservative, and this can prevent you from using the highest possible modes that are supported by your monitor. Note that there may be limitations that are imposed by the video adapter as well.
To work around this problem, use one of the following methods.
Your Monitor and Video Adapter Support Plug and PlayIf your monitor and video adapter support Plug and Play, use the Display tool in Control Panel to change the monitor driver to "Plug and Play Monitor." When you do so, Windows queries your monitor to determine the supported video modes instead of calculating them based on the monitor's .inf file.
Your Monitor and Video Adapter Do Not Support Plug and PlayIf your monitor and video adapter do not support Plug and Play, set the video mode manually:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
Article ID: 309569 - Last Review: March 1, 2007 - Revision: 3.2