How to solve the problem of usb device descriptor request failure

How to solve the problem of usb device descriptor request failure

The solution steps are as follows:

1 , Device Manager-> Universal Serial Bus Controller-> Unknown USB device (device descriptor request failed), right-click properties

(I have no unknown USB device here, the picture is just an example for reference only) ;

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##3. regedit Open the registry and search the path: Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet \Enum\ The value copied in step 2;

4. According to the value copied in step 2, the value copied in step 2, the value copied in step 2 (say important things three times) such as

(Many friends said that they cannot find the corresponding value. Here you must refer to the value copied in step 2. Each machine is different. The picture is just an example. Do not operate step by step, as unexpected things may happen. Attention, comrades, the picture is for reference only. According to the value copied in step 2)

Create a new DWORD (32-bits) Value under Device Parameters and name it EnhancedPowerManagementEnabled . The DWORD value data should correspond to 0;

5. Close the registry, unplug the USB device, restart the computer, and reinsert the device. The problem should no longer persist.

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