Symptoms
Consider the following scenario:
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You have a computer that has two video cards that are supported by the hybrid-graphics technology. For example, the computer has an integrated video card and a stand-alone video card.
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The computer is running the Windows 10 Creators Update Version 1703 (build 15063).
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Any of the following actions occur:
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You're prompted by the User Account Control (UAC) dialog box.
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The screen saver starts to run, or you close a screen saver.
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The computer wakes from hibernation (S4).
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In this scenario, the screen appears black and the mouse stops working for one or two seconds.
Cause
This problem is caused by a code change in the Windows 10 Creators Update. Because of this change, the hibernated video card wakes up when a window station switch occurs.
Status
Microsoft is researching this problem and will post more information in this article when the information becomes available.
