When we use win7 system computers, occasionally all the USB interfaces of the win7 motherboard will fail. This may be because the USB interface driver is broken. We need to uninstall the corresponding driver in the device manager and re-download it. Let’s do it together. Let’s take a look at the specific method.
1. First, right-click the computer and click the "Manage" option.
2. Then enter the "Device Manager" at the location shown in the icon,
3. Find and Expand "Universal Serial Bus Controller",
4. If all USB interfaces fail, we need to perform the following operations on each interface.
5. Right-click the USB interface and click "Uninstall",
6. If the following prompt appears, click Just "OK".
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