Q&A for How to Set Your Computer to Boot from USB Flash Drive

Yes, as long as there is enough available storage to support Windows 10.

The windows installation screen should appear when you are planning on installing a new Windows.

If you're booting from a copy of Windows 7 on a USB drive, the most likely culprits are a corrupted copy of Windows, which just requires a reinstall, or damage done to the USB, which may be present on either the drive or the computer's port itself. Or the monitor may just be having some issues of its own. If you get these colors when doing hardware intensive tasks like gaming, exporting video files or any other GPU-intensive tasks, the driver may be crashing which can be caused system errors or by overheating of the card.

If the computer tries to boot from devices on the boot list and none work out, it will restart. So if you have excluded all the valid bootable drives, like hard disk, DVD, USB drive, etc., it will constantly reboot.