This article was previously published under Q256945
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If an Evans and Sutherland Lightning 1200 video adapter is put to sleep, the bus stops responding (hangs) when Windows 2000 attempts to wake the adapter. The adapter does not wake up.
The Evans and Sutherland Lightning 1200 video adapter has built-in power management features. When Windows 2000 shuts down the adapter, the clock on the adapter also gets shut down. This makes it impossible for Windows to read the sub-vendor ID.
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
This problem was first corrected in Windows 2000 Service Pack 1.