Experts solve the xp system USB instability failure has a trick

There are many USB interfaces on the computer, this is for the system to be able to connect additional devices. In xp, the system defaults to the USB power-saving mode, which causes the USB interface to be insufficiently powered, causing USB instability and intermittent failure. Regarding this USB failure, it is easy to solve by turning off the USB power saving mode.

How to operate:

Right-click on "My Computer" and select "Properties" to open the "System Properties" dialog box and switch to the "Hardware" tab. , open “Device Manager", double-click "Universal Serial Bus Controller", you will see several "USB Root Hub", double-click any one, open the "USB Root Hub Properties" dialog box , switch to the "Power Management" tab, remove the "Allow the computer to turn off this device to save power" check, click "OK", return, and then modify the properties of each USB Root Hub. After restarting the computer, the USB device can resume stable operation.

Through the steps described above, we can clearly understand the root cause of USB instability. In fact, only the xp system has started the USB power saving mode in order to achieve energy-saving operation. Users only need to use this in the system. After the default program is closed, the USB device can be restored to normal and work smoothly.