![]() Then, restart your computer and Windows 7 will reinstall all USB controllers automatically. Repeat the step 2 to uninstall all items under "Universal Serial Bus controllers". ![]() ![]() In Device Manager, double click to expand "Universal Serial Bus controllers", right click on the Host Controller, click "Uninstall" and click "OK". ![]() First, please disconnect all USB devices and then perform the following steps:Ĭlick "Start" button, type "devmgmt.msc" (without quotation marks) in the "Search" bar and press "Enter".
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