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Desktop background disappears with very large extended desktop on Windows 7
Article ID: 2724530 - View products that this article applies to.
Consider the following scenario:
In this scenario, the desktop wallpaper may disappear, and the contents of windows may not be displayed properly. Additionally, using Event Viewer, you may see the following error in the Application log:
Log Name: Application
Source: Desktop Window Manager
Event ID: 9020
Description: The Desktop Window Manager has encountered a fatal error (0x88980406)
This problem occurs when Desktop Window Manager attempts to display a desktop that is larger than 8192 pixels high or 8192 pixels wide. This exceeds the maximum allowable size for a DirectX 10 texture. (In Windows 7, the Desktop Window Manager utilizes DirectX 10.)
To work around this problem, use the Screen Resolution control panel to rearrange the monitors so that neither the total width, nor the total height, of the extended desktop exceeds 8192 pixels.
Alternately, use the Personalization control panel to change to a non-Aero theme, such as Windows 7 Basic.
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.
Article ID: 2724530 - Last Review: June 16, 2012 - Revision: 1.0