Start-press F1 at prompt to do so shortly after start.This eventually brings you into a blue "set-up" screen with Main -Advanced- across top.
Use right arrow to go to Advanced.
Highlight Peripheral configuration-press enter.
Look down next screen to find "USB interface"
click on it andchoose "Enabled"
Press F10 to exit saving changes.
Re start, andwhen up andrunning ,go to start-settings-control panel-system-device manager.Scroll down to last setting which should be "USP controllers" click + to leftof this and it should open out to show your USP ports.
Take it from there and all the best.