How to Prevent Portable External Hard Disk Self-running
Posted in Repair by Manyu Sunday, November 15th, 2009Every time when plugged the portable external hard disk to USB port,it will automatically play, particularly when the  portable external hard disk have a few districts, we need to manually turn off one by one ,it’s really great trouble! How we can solve this problem? The following provides several methods to turn-off U disk or Portable external hard disk automatically play:
1, SHIFT key
This method is early used on Windows2000,when insert Portable external hard disk, holding down the SHIFT key, Portable external hard disk will not automatically play.
2, Close policy group
When Panda burning incense popularing, many people using the policy group to turn off the function of Portable external hard disk drive or U disk automatically play: Click “Start – Run” in the “Open” box, type “gpedit.msc”, click “OK” button, open the “Group Policy” window. In the left pane of the “Local Computer Policy”, expand “Computer Configuration – Administrative Templates – System” and then in the right pane of the “Settings” heading, double-click “Turn off Autoplay.” Click the “Settings” tab, select the “Enabled” check button, and then “turn off auto-play” box, click “All drives”, click “OK” button, and finally close the Group Policy window.
3, close Services
In “My Computer” click the right mouse button, select “Management”, in the “Computer Management” find “Services and Applications – Services” and then in the right pane, find the “Shell Hardware Detection” service, this service function provide automatic play event notification, double-click it in the “Status”, click “Stop” button, and then change the “Startup type” to “Disabled” or “Manual”.
4, disk operation
This method are effective in Windows XP and relatively easy to use. Open “My Computer”, in the “hard” or inside “has removable storage devices,” you are likely to see letter, generally Portable external hard disk drive letter is in “hard”, U disk or digital camera is in “Removable storage device”. Right-click to close auto-play feature of the drive letter, select “Properties” in the pop-up form, select “Auto Play” tab, where users can set different mode of operation for “music files”, “Pictures,” “video documents, “” mixed content “and” Music CD “, using ” non-implementation of operation ” for all can disable the AutoRun feature, after ” OK “, settings will take effect immediately. This method is also used for DVD / CD drive.
5, Registry
The registry is a trouble, in general it’s not recommended to use the registry to modify.
 Open the Registry Editor, expand to
[HKEY_CURRENT_USERSoftwareMicrosoftWindows CurrentVersionPoliciesExploer] under the primary key in the right pane, find the “NoDriveTypeAutoRun”, this key determine whether to implement the AutoRun feature CDROM or hard drive, you can change it.



