On rare occasions, when a USB keyboard and/or mouse is directly connected to the host, the keyboard and/or mouse might not be recognized by BIOS. This problem is indicated by a failure of BIOS to respond to key presses during the time the BIOS splash screen is displayed.
Releases 1.0 through 2.0.1
Reboot the host. If the problem persists after two or three system reboots, contact your authorized Oracle service provider for assistance.