Consider the following scenario:

• You are running Windows Server 2003, Windows Vista, or Windows Server 2008 on a computer that has a multi-core processor installed.
• You put the computer to standby, and then you resume the computer.
• You put the computer to standby again, and then you try to resume the computer.

In this scenario, the computer stops responding (hangs), and the monitor never turns on again.

This problem occurs after you apply hotfix 951126 on the computer. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

951126 A multiprocessor computer that is running a Microsoft Windows operating system stops responding on a black screen after you resume the computer from hibernation