S7-392 Windows 8.1 Clean Install Unknown USB Device (Device Descriptor Request Failed)
I'm planning a clean install of 8.1 from my ISO-file on my Acer Aspire V7. This because my batterylife degraded from 5hours of heavy use to 2hours max after the update to 8.1. How did you do this clean install? Does the S7 also have an SSD-cache? Did it w...