Kind of depends on the system.
Older systems had an option in BIOS set-up for USB legacy support.
this is the DB43LD board. whether disabled or not makes no difference in error when using mini-keyboard.
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The only consistent reports I have seen concern one Logitech keyboard. Forums here have explained the problem. Restarting should fix others and you can always use the onscreen keyboard and disable it later from the start menu or control panel under ease of access options.