Consider the following scenario:
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.
The computer is running the Windows 10 Creators Update Version 1703 (build 15063).
Any of the following actions occur:
You're prompted by the User Account Control (UAC) dialog box.
The screen saver starts to run, or you close a screen saver.
The computer wakes from hibernation (S4).
In this scenario, the screen appears black and the mouse stops working for one or two seconds.
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.
Microsoft is researching this problem and will post more information in this article when the information becomes available.