Click “Startâ€Â, on “Computer†click right mouse button and select “Propertiesâ€Â, click “Device Managerâ€Â, select “IEEE 1394 Bus Host Controllers†group, only contains one device called “VIA 1394 OHCI Compilant Host COntroller†on that click right mouse button and select “Propertiesâ€Â, select “Power Management†tab, and finally check the “Allow the computer to tur off this device to save power†box!