so i have a ASUS B250H gaming mother board with samsung 850 EVO SSD and a 2TB hard drive and ive used a 3.0 flash drive for windows 7 installation doesnt work because windows 7 doesnt support 3.0 so i used a 2.0 drive doesnt work again so im confused to what i have to do to install windows 7 on my 2.0 flash drive