Intel 82801G USB controller 出現問題

Intel 82801G USB controller 出現問題,
Windows 無法載入這個硬體的裝置驅動程式。驅動程式可能已損毀或遺失。 (代碼 39)

Intel 82801G (ICH7 Family) USB Universal Host Controller - 27C8
Intel 82801G (ICH7 Family) USB Universal Host Controller - 27C9
Intel 82801G (ICH7 Family) USB Universal Host Controller - 27CA
Intel 82801G (ICH7 Family) USB Universal Host Controller - 27CB
Intel 82801G (ICH7 Family) USB Universal Host Controller - 27CC

無法使用 usb     

please help !!!!!!!!!!!!!!!!!!!!!!!!!!!