How to delete a USB disk using privacy

First, add the environment variable devmgr_shownonpresent_devices to the system, the value is 1

Second, run Device Manager, open the view hidden device. Expand the disk drive, storage Volume two, and the U disk-related kill off.

Third, turn on the Computer Management, the Removable Storage related to the deletion.

Iv. Remove the system environment variables that are added to the 1.

After entering the registry (XP can enter "regedit" in "Run"), 2k enter "Regedit32", enter "Usbstor" in "edit"-> "Find", select only "items", do not select "value" and "data" to speed up the query. Then "OK". Kill all the "items" that are found with "Usbstor" (click "F3" for each item you delete). If there are any that cannot be deleted, right-click on "Permissions" and go to permission settings and select "Allow" and "Full Control". If you are not sure, in the registry, select "My Computer" and press "F3" , and then the query is deleted once.