renesas electronics usb 3.0 hub 無法驅動的問題，經過GOOGLE搜尋解決方式，下載INTEL最新驅動程式，然後再下載韌體執行後，用WINDOWS更新驅動程式便可以解決。步驟如下：
1. 先下載INTEL最新USB 3.0驅動程式。
USB 3.0： Renesas Electronics* USB 3.0 驅動程式
http://downloadcenter.intel.com/confirm.aspx?httpDown=http://downloadmirror.intel.com/19880/eng/USB3.0_allOS_2.1.28.1_PV.exe&lang=zht&Dwnldid=19880
2. 下載韌體程式並執行
http://www.technopat.net/forum/masaustu-bilgisayarlar/2793-nec-renesas-usb-3-0-firmware-4-0-1-5-0-2-only-aupd720200a.html
NEC/Renesas USB 3.0 Firmware 4.0.1.5.0.2 - Only for µPD720200A
Firmware Update for motherboards, laptops, express card devices, drive boxes and all other devices with NEC µPD720200A USB 3.0 chip. It won't update if your chip is not µPD720200A. Trying won't brick your device.
Download: uPD720200_uPD720200A_FW_Updater.rar
- Make sure that you have latest USB 3.0 driver installed.
- Run upd720200a.bat as Admisintrator.
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下列訊息提供參考
The followings are just for reference.
"Renesas Electronics USB 3.0 Root Hub" disappeared from the list of Universal Serial Bus Controllers.
http://answers.microsoft.com/en-us/windows/forum/windows_7-hardware/renesas-electronics-usb-30-root-hub-disappeared/740a9b89-cd48-4af1-83b2-2ee25a26394a?msgId=5c1b9144-fc83-46da-90f3-264cafc2a526
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http://technopat.net/forum/masaustu-bilgisayarlar/2481-nec-renesas-usb-3-0-firmware-3-0-2-8-0-8-a.html
NEC/Renesas USB 3.0 Firmware 3.0.2.8.0.8
Firmware Update for motherboards, laptops, express card devices, drive boxes and all other devices with NEC USB 3.0 chip.
Download: F302808FWUP1.exe
Also Download Latest derivers from here.
Download: F302808FWUP1.exe
Also Download Latest derivers from here.
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New NEC USB 3.0 Firmware 3.0.2.8.0.8
April 2011 Update!
Download Source and release notes
New Update for µPD720200A chip!
NEC/Renesas USB 3.0 Firmware 4.0.1.5.0.2 - Only for µPD720200A
April 2011 Update!
Download Source and release notes
New Update for µPD720200A chip!
NEC/Renesas USB 3.0 Firmware 4.0.1.5.0.2 - Only for µPD720200A
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3. 前往裝置管理員，選擇 renesas electronics usb 3.0 hub，更新驅動程式，使用WINDOWS搜尋，便可以驅動成功。
Go to the abnormal "renesas electronics usb 3.0 hub" , then renew the driver with windows search. The usb 3.0 driver will be okay.
