To permanently fix the issue, complete the following additional steps: The above steps will allow your computer to boot. The device will reboot and load the Windows OS as expected.Hit enter to execute this command and immediately remove the USB drive from the computer.In the Command Prompt window that appears, type:.When the Windows setup box appears, press Shift + F10.With the device powered off, boot your Surface Pro 3 device from the USB drive.Prepare a bootable USB image from a working PC.They have now released a series of steps which should work around the issue, as below: Microsoft has been investigating the issue and found it was due to one of the required boot files on Surface Pro 3 devices ending up in a corrupted state after an abnormal shutdown. The recent release of the Insider Build 16288.1 of Windows 10 had the unfortunate effect of leaving many Surface Pro 3 laptops in an unbootable state, stuck on the “spinning dots” screen.