The new Windows® 10 update requires a BIOS update (latest version if possible)
It is necessary a USB hub, USB 2.0 drive and remove SD card if you have one. Please download the file FC0031.BIO and paste it to the root of the USB drive.
Turn the stick off, plug the USB drive with .BIO file and keyboard (wire) to hub; plug monitor and hub to stick.
Press and hold the power button down for 3 seconds. Release it before the 4-second shutdown override. Select F4 option.
More details in the link below.