W520, (2) USB 2.0 ports not working after updates

I find it rather odd that my 2x USB 2.0 ports go out after updating Lenovo, but the 2x USB 3.0 ports still work, and Bluetooth still works.  I did install the newer BIOS and the USB 3.0 update, before hand the ports were working fine.
right now I'm using the SATA/USB combo port, but I don't want to wear out the plug. My computer Lenovo solution center says there is a hardware device problem, but I can't find it doesn't appear to be any of the drivers, or the power manager.

my logic is like this, this motherboard is tested by Operating system that listed at download driver, you can check here
http://www.msi.com/product/mb/970AG46.html#/?div=Driver&os=Win8 64
there is an update 1.16.12 for USB ASMedia USB 3.0 Driver but for Windows 8
In order to worked with Windows 8.1, you need the updated driver, because this motherboard comes before Windows 8.1 launched
try to apply this registry trick, please don't applied hotfix since only applicable with Windows 8 and Server 2012
http://support.microsoft.com/kb/2830154/en-us
also check your BIOS setting, Disable USB selective suspend setting at power plan
Please do
http://windows.microsoft.com/en-us/windows-8/upgrade-assistant-download-online-faq

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