Yes i installed all the drivers from asus site. system spec is below
i3 4150
H81M-PLUS
8GB Vulcan
GTX780 SC
intel SSD
1tb WD Green
So, apart from KB/mouse, do you have anything else attached?
Open "Universal Serial Bus Controllers" and see if there are any yellow exclamation marks.
You could try re-installing the chipset drivers.
try doing a properties
details tab
dropdown hardware ids, and web search on the string eg
ven_xxxxxxx