G50-30 Intel USB 3.0 driver Windows 8.1 64bit

Hello everyone,
I have just re-installed (after formatting) win 8.1 64bit on my lenovo G50-30.
After downloading every driver from support.lenovo.com, I noticed that there are no USB drivers available for Win 8.1.
The only driver I found on the website is for Win 7 64 bit. I actually tried to install it but the setup gets stuck with the following error:
"This computer does not meet the minimum requirements for installing the software".
I also tried to install everything on administrator mode but without success, same error.
Is it possible that there are no drivers for Win 8.1? Frankly, this sounds quite embarassing.
Regards
Solved!
Go to Solution.

hi unifaun,
Under Device Manager > Universal Serial Bus Controllers, don't you see any USB 3.0 host controller? If not, what are the items there?
If you've already installed the Intel Chipset Driver, the USB 2.0-CRW is likely the Realtek Card Reader and the Unknown Device is likely the Lenovo Energy Management.
If the above drivers doesn't work, can you follow this guide on how to identify them via their Hardware ID.
Regards
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Hi Clyder,
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