When I revert back to 15.45 driver, problem goes away.
Answers (N/A if not applicable)
Provide a detailed description of the issue
Screen black after wake
Please place an X to the right of the option showing how often you see this issue using specific steps. (Ex: 'Every few times a game is started it flickers.' <- This would be "Often")
Always (100%): X
Brand and Model of the system.
Lenovo Yoga 900 13ISK 80MK
Hybrid or switchable graphics system?
Make and model of any Displays that are used to see the issue (see note2 below).
How much memory [RAM] in the system (see note2 below).
Provide any other hardware needed to replicate the issue.
Hardware Stepping (see note1 below).
Intel(R) HD Graphics 520
Operating System version (see note2 below).
Microsoft Windows 10 Pro(10.0.15063 Build 15063)
VBIOS (video BIOS) version. This can be found in “information page” of CUI (right click on Desktop and select “Graphics Properties”.
Graphics Driver version; for both integrated Intel and 3rd party vendors (see note2 below).
SW or Apps version used to replicate the issue.
Single display, clone, or extended (see note2 below).
Display resolution & refresh rate setting of each display (see note2 below).
3200 x 1800 60p Hz
AC or DC mode, i.e. is power cable plugged in or not?
How to repro
Please provide steps to replicate the issue. These steps are very crucial to finding the root cause and fix.