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Oct 6th, 2011
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  1. 1. Click "Start" button, type "devmgmt.msc" (without quotation marks) in the "Search" bar and press "Enter". Click "Continue" if necessary.
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  3. 2. In Device Manager, double click to expand "Universal Serial Bus controllers", right click on the Host Controller, click "Uninstall" and click "OK".
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  5. 3. Repeat the step 2 to uninstall all items under "Universal Serial Bus controllers".
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  9. Then, restart your computer and Windows 7 will reinstall all USB controllers automatically.
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  13. If the issue persists, also perform the following suggestions:
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  17. Delete the Upperfilters and Lowerfilters value for USB device
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  21. 1. Click the "Start" button, type "regedit" (without quotation marks) in the “Search" bar and then press “Enter”.
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  23. 2. Navigate to the following key:
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  27. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{36FC9E60-C465-11CF-8056-444553540000}
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  31. 3. Right click the {36FC9E60-C465-11CF-8056-444553540000} entry, choose "Export", select “Desktop” in the “Save in” box and type "backup" (without quotation marks) in “File Name”. Click “Save”.
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  35. Please Note: The backup file is on the Desktop and named “backup.reg”. We can simply restore the registry by double-clicking the “backup.reg” file.
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  39. 4. Highlight this key ({36FC9E60-C465-11CF-8056-444553540000} ), on the right pane, and then check if “Upperfilters” and “Lowerfilters” value are present. If so, please right click on the values and select "Delete" to remove them.
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  41. 5. Restart the computer to check the issue.
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  45. Hope this helps.
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