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Old 06-27-2012, 09:02 AM   #1
Junior Member
Join Date: Jun 2012
Posts: 7
Default Asrock A75 Pro4 - M USB 3 woes

Hi all,

I have recently finished a new HTPC based on the Asrock A75 Pro4 - M motherboard, and all is working great with the exception of the rear USB 3 ports.
As best as I can tell none of them are working.

In device manager (windows 7 64 bit) there are two usb controllers showing up as not working (due to no drivers), and one SM Bus Controller not working for the same reason.

I have tried having windows auto search for the drivers, as well as installing both Asmedia and Etron USB 3 drivers from the motherboard disk, but I don't know if these drivers are intended for this motherboard as it appears there is software for a whole range of Asrock MBs on the disk.

Anyhow, it seems no matter what I do these USB ports will not work, or will not install drivers.

If anyone has any idea what is going on or how to solve the issue I would be extremely grateful.

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Old 06-27-2012, 02:25 PM   #2
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Join Date: Jul 2002
Posts: 11,586

If I'm not mistaken, the chipset (A75, or Hudson) comes with native USB 3.0? Do you physically see Asmedia or Etron chip near USB 3.0 ports?

If not, uninstall those drivers and get AMD chipset drivers. -> http://support.amd.com/us/gpudownloa...d_windows.aspx (The first one. Don't bother with Raid stuff)
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Old 06-27-2012, 04:44 PM   #3
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Join Date: Jun 2012
Posts: 7

Awesome, thanks for that! I installed those drivers earlier but for whatever reason they didnt touch the USB hub. When I installed them again they did install, so who knows...
Anyway, it worked, so thanks heaps for the advice!
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