Black screen solution after Lenovo ThinkPad S1 Yoga 12 system is upgraded to Win10 2's

Fault symptom:

ThinkPad S1 Yoga 12 may display a black screen when the system is booted to the system interface after the system is upgraded to Win10 H2.

Impact scope:

-Applicable model: ThinkPad S1 Yoga 12

-Applicable operating system: Windows 10 H2.

Solution:

In case of this problem, use Windows Update to Update the patch KB3140743.

Temporary solution:

If you encounter this problem, please touch the screen to display it normally. However, this problem may occur again after the next restart.