Windows 8 and USB 3.0 ports

I got the Sony Vaio SVS151290X early this year and it came with Windows 8. I just want to know if anyone is having problems with their USB 3.0 ports on Windows 8. There are certain devices like my TASCAM USB audio interface which only works when I plug it into the USB 2.0 port. Also, when I try to connect my Android device in Virtualbox, it only works if I've plugged it into the USB 2.0 port. So in a nutshell, USB HDDs and keyboards and mice work fine on the USB 3.0 port, but some devices don't.

I am not sure if this is a problem with Windows 8 not working well with USB 3.0 ports or whether the devices don't support USB 3.0 (which I thought was backwards compatible).

Anyone know where/how I can start figuring out the solution to this problem? Thanks.
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  1. I don't thing you can solve this since there are just some devices (mostly old ore cheap ones) that don't support usb 3.0, remember that this is the latest version of the usb. That's why "they" make so much publicity whenever you see a usb device capable of handling the 3.0° version. Anyway why do you want to plug these devices into usb 3.0 since they work well in th 2.0° ?
  2. EDIT: Sorry, I forgot, usb 3 are supposed to be retro-compatible with usb 2, one thing is sure, it's not the operating system that is to blame.
    Did you check your drivers ? (go to the device manager -
    control panel > hardware and sound > device manager; once you've done that go to universal serial bus controllers and check every 'USB' you can possibly find in it.
    Good luck!
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