What should I do if all the USBs fail after reinstalling win7? Win7 usb all failure repair method

php editor Xigua introduces you to a solution to a common problem: when you find that all USB interfaces are malfunctioning after reinstalling the Win7 system, you can try some repair methods. In the case of Win7 USB failure, we can try to solve the problem by updating the USB driver, checking the device manager, modifying the registry, etc. Below, we will introduce these repair methods in detail to help you solve the problem of USB failure and restore normal use.

What to do if all USB fails after reinstalling win7

Method 1:

1. Right-click "My Computer" and select "Properties".

#2. On the page that opens, click "Device Manager" on the left.

3. In the Device Manager, click "Universal Serial Bus Controller" on the left.

4. In the pop-up list, right-click the first option and select "Properties".

5. Finally, click "Automatically search for updated driver software", the system will automatically install the missing driver, and the problem will be solved.

Method 2:

1. First press the "win r" key on the keyboard to open the "Run" window and enter "regedit.exe".

2. In the opened "Registry Editor", expand and enter "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\UsbStor", find and double-click " Start".

#3. Change the "Numerical Data" to "3", then click "OK" to close.

#4. In the pop-up prompt window, we select "Scan and Repair" so that we can restore the USB function.

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