KB959662

You use the ChangeDisplaySettingsEx function together with the CDS_RESET flag to reinitialize the graphics adapter on a computer that runs Windows Vista or Windows Server 2008. However, if the requested settings are the same as the current settings of the display adapter, the system does not trigger an activation of the video present network (VidPN) on the display adapter. Therefore, the graphics adapter is not fully reinitialized.

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