How to check whether the computer usb interface is 2.0 or 3.0: first right-click the computer icon and click Manage; then double-click the "Device Manager" button to enter the device manager interface; finally, change the "Universal Serial Bus Controller" "Expand this item to view it.
#The operating environment of this article: Windows 7 system, Dell G3 computer.
How to check whether the computer USB interface is 2.0 or 3.0:
1. Right-click the "This Computer" icon on the desktop and click "Manage" in the expanded menu " button to enter computer management:
2. After entering computer management, double-click the "Device Manager" button to enter the device manager interface:
3. Expand the "Universal Serial Bus Controller" item in the right window, and then you can check whether the computer's USB interface is 2.0 or 3.0:
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