Hello,
I had to install Windows 7 x64 on an Acer Aspire E5-575G-527G (Legacy Boot). Even though I've installed the intel eXtensible Host Controller driver, the USB ports are still categorised as 'Unknown Devices'. Windows automatic driver search led to no fruitation. While installating RtsXStor, the system seemed to struggle to recognise the devices, but ultimately failed.
Would appreciate some help. 
