How to proceed after Windows 10 hangs on spinning dots when booting after update?

[Fee336]

I have a computer that updated and then won't finish booting. It hangs on a black screen with the blue window and spinning dots. It is a ASRock Z87 Extreme6 motherboard and Intel Core i3-4130T processor attempting to update Windows 10.When trying to boot from a USB drive with Windows installation media, the boot hangs on a black screen with the ASRock logo and spinning dots.How do I move past the spinning dots?

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