Checking for required graphics support
To get hardware accelerated performance from .NET Framework 3.5 and Expression Blend, make sure you have a recent graphics driver installed. Check your display adapter for the following settings:
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Click Display in Control Panel.
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Click the Settings tab and then under Color quality, make sure Highest (32 bit) is selected.
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Next, click the Advanced button, and then on the Adapter tab, click the Properties button.
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Click the Driver tab and look next to the Driver Date to see if the date is more recent than 11/1/2004. If it is not, then video and hardware acceleration will not work properly on your system unless you upgrade your video drivers.
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Under Appearance and Personalization in Control Panel, click Adjust screen resolution.
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Under Colors, make sure Highest (32 bit) is selected.
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Next, click the Advanced Settings button, and then on the Adapter tab, click the Properties button.
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Click the Driver tab and look next to the Driver Date to see if the date is more recent than 11/1/2004. If it is not, then video and hardware acceleration will not work properly on your system unless you upgrade your video drivers.