Windows 7 64-bit - cannot get USB 3.0 ports to work!

Hi Experts:

I have a Samsung NP900X4C-A05AU 15" Ultrabook.

It came with Windows 8 installed, but I have overwritten the OS with an existing Windows 7 64-bit installation from a desktop PC.

I downloaded the Windows 7 64-bit drivers from here.

All the drivers installed OK, except for the USB 3.0 driver (v. 3.0.20.0).

My 2 USB 3.0 ports are not working at all under Windows 7 (the hardware is OK, as they worked OK when I used various Live CDs to copy the C:partition).

Every attempt to install the driver from setup.exe finished without any "finished" message.
I also installed Samsung Easy Software Manager - this reports that the USB 3.0 driver needs updating - then attempts to install v. 3.0.20.0 - but it reports that it failed.

I have attached a screendump from Device Manager.

The entry "Renesas Electronics USB 3.0 Host Controller" appeared after I did a manual install from a v. 3.0.20.0 subfolder ("USB30Drv\Files\x64).

I attempted to to get Windows to automatically find a driver for "Other Device | Unknown device" - but that failed too.
      
The webpage for the USB 3.0 driver (v. 3.0.20.0) has a popup note that may be relevant:

This is USB 3.0 driver. Please update after removing all devices from usb 3.0 port. If not, the problem may be occurred to USB 3.0 devices or USB 3.0 port. Please referece the below install steps. 1. Click the attached file and press ''Save'' button. Then press ''Browse...'' button and select the place where you want to save the selected file. 2. After downloading the file, find the downloaded file and right_click on the file. On pop_up menu, select ''Extract All...'' option. 3. On ''Extraction Wizard'', press ''Next'' button and press ''Browse...'' button. Select a folder to extract file and press ''Next'' again. 4. After the file has been sucessfully extracted, see the extracted files. Run ''Setup.exe'' file or ''setup.exe'' file in the folder. -This driver may not be appropriate depending on the computer model. Thanks.


Regards,
Leigh
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LeighWardleAsked:
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Slav ZabickiSystem EngineerCommented:
remove that renesans usb thing.

go to http://www.intel.com/p/en_US/support/detect?iid=dc_iduu
run the wizard first

download http://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=21129

and install
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Slav ZabickiSystem EngineerCommented:
download winaudit or siw (siw is better) scan the system and attach the results
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LeighWardleAuthor Commented:
SIW report is attached.
SIW-SAMSUNG9-20130127-125021.html
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LeighWardleAuthor Commented:
I removed that renesans usb thing.

I went to http://www.intel.com/p/en_US/support/detect?iid=dc_iduu
Ran the wizard.

The wizard ran a scan and came up with:
 USB 3.0 Driver: Intel® USB 3.0 eXtensible Host Controller Driver

I tried to install it, but got this error:  
This computer does not meet the minimum requirements for installing the software.

I have not downloaded http://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=21129

and installed yet.
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LeighWardleAuthor Commented:
I tried the wizard again at  http://www.intel.com/p/en_US/support/detect?iid=dc_iduu
This time there was no mention of USB 3.0 Driver.

I installed the graphics driver - and eureka!, during installation - my USB 3.0 hard drive started working!!!!!!
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