Steps to Enable or Disable USB ports in Windows :
Step 1 : Open RUN window in Windows 7 by pressing “Windows Key + R” and in Windows XP by clicking RUN in Start Menu. And after opening RUN , type “regedit” to open Registry Editor.
After pressing “OK” , Registry Editor window will open as shown below.
Step 2 : After opening Registry Editor Window just browse in the left side browse panel for the following path :
HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/USBSTOR .
HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/USBSTOR .
After following this path, all the options in USBSTOR registry will be displayed on the right side panel of the Registry Editor as shown in the window below .
Step 3 : After opening the above shown window , click on “Start” marked with red square.
Step 4 : By following a Step 3 , a small window shown below will open:
Now in this small window you are having to options : either to disable USB ports or enable USB ports. By default the USB ports are enabled so the value in “Value Data” is 3.
- To disable USB ports : change the value from 3 to 4 .
- To again enable USB ports : change the value from 4 to 3.
Step 5 : The last step left is to restart your computer for changes to affect in Registry.
