[Vi8] [Tutorial] How to reinstall Windows 8 for Chuwi Dual OS Vi8

Download Tutorial:
https://mega.nz/#!kpIlEZhQ!WFPlf … HPCJG9erf-PMIWlauRw

The tablet is in off mode and its battery level must be guaranteed over 50%.

Hi.after clean my device no read from usb hub.i can’t boot or reinstall or flash.no read usb.
Thank you

Have you modified anything in the Bios? You will not have disabled the USB ports on the Bios?