Having a strange problem with my tablet no otg s working preboot or even when android is booted I can’t access the bios to install windows was all working fine the other day now it don’t even detect a micro USB keyboard in android it won’t detect even USB stick and as I’ve deleted windows I now can’t re install it because of the problem it charges fine even PC picks up the tablet but only in dnx mode also does any one have bios image from this tablet as I can’t find it any where online