Unable to boot from usb win 7 home premium x64 on uefi mobo

Nov 21, 2015
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I have win 10 right now that was upgraded from 8.1 , i already formated once before the ssd to reinstall 8.1 - no problems but i simply want 7. My mobo is MSI x99 Gaming 7.
First i tried using rufus to make the usb - failed
Then i tried iso to usb - failed
On the usb i fallowed the steps to format as fat32 using cmd and copy paste contents from cd, ( had to make the autorun file myself ). Windows loads files from usb goes to starting windows and then it restarts, RAM are set on auto ( 16 gb ddr 4 ).

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