I would suggest you install the latest Intel chipset drivers, latest IRST divers and Intel management engine, you can use the latest ones on the Asus web site for your NB or get from Intel.
Really it its best to clean install win8.1
I think if you goggle how to clean install windows 8.1 you might find a solution for a clean install. regardless the above three Intel drivers sets will need to be installed, and reinstalling them now may solve your problem.
Chipset drivers will have to be installed using and elevated command line. use the switches -overall -override, They won't install any other way, except on a clean install. On a clean install the setup.exe will install the drivers from windows.
G752VY-DH72 Win 10 Pro
512 GB M.2 Samsung 960 Pro
1 TB Samsung 850 pro 2.5 format
980m GTX 4 GB
32GB DDR 4 Standard RAM
Z97 PRO WiFi I7 4790K
Windows 10 Pro
Z97 -A
Windows 10 Pro