Sure Sylvia:
NUC model: d34010wyk (+64GB Kingston mSata SSD +1x 4GB RAM)
BIOS: latest (0033) -> i also i tried v28 and v30. same effect
Devices connected: Logitech Harmony Smart Connect keyboard via USB (same effect, when i plugged out the usb-connector)
OS: Win 8.1 64-Bit Prof. All Updates installed