Select your USB drive under "Device" and click to locate your Windows 7 ISO file.
The blue Windows 7 setup screen appeared. Alex installed Windows 7 smoothly. He remembered: how to boot from usb windows 7
: Some older PCs don’t boot from USB in “HDD” mode. He restarted, re-entered BIOS, and found an option under “USB Configuration” to change from Auto to Force FDD or Hard Disk . He chose Hard Disk mode, saved, and rebooted. Select your USB drive under "Device" and click
Once you successfully boot from the USB, you will see a black screen with white text saying how to boot from usb windows 7