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I installed windows 8 a few hours ago. Then I installed vmware 9 workstation. Windows 8 gives a warning 'usb device not recognized or is defective'. There is yellow exclamation on vmware usb device in device manage. What could be the reason for this?

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No drivers for the device? Does VM workstation support Win 8? –  mdpc Dec 20 '12 at 19:38
    
The device is virtual device of vmware. There is no its driver. Vm workstation supports win8. –  sinanakyazici Dec 20 '12 at 19:41
    
Have you contacted vmware? They could most likely easily answer your question. –  mdpc Dec 20 '12 at 19:42
    
I havent contected vmware. It has never been such a problem in the previous installation. I installed windows again. And the problem is occured. –  sinanakyazici Dec 20 '12 at 19:45
    
tried to delete the troubled device from the list and re-detect it? –  Lorenzo Von Matterhorn Jan 8 '13 at 16:17

1 Answer 1

That device may not have a driver for Windows 8 yet. You are best of contacting them asking if there is a Windows 8 driver coming out in the future.

Hope that helped!

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