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How to open the USB port when it is disabled under Windows XP?
1. First turn on the computer, click the "Start" button in the lower left corner of the screen, then click "Run", or press "Windows+R" to open the running window, then click "regedit" and press enter to confirm.

2. Then open the CurrentControlSet in HKEY_LOCAL_MACHINE\SYSTEM in turn in the registry editor window, find the service item, and click Open.

3. After opening, drop down and find the project usbehci, and click to select it.

4. Then right-click "Start" in the pop-up window on the right and select "Modify" to change the numerical data to "3" and press enter to confirm.