To solve the USB disk display 0MB and become raw format of the method

1, first open run, in the Run dialog box input "Secpol.msc", enter, open the local security policy;

2, in the Open Security Policy window, expand the local policy-security options item in turn, and then locate and double-click Network access: Sharing and security mode for local accounts on the right, and then modify its security settings to the classic-local user identity authentication item, and then click OK to exit.

3, double-click the mouse to open the desktop "Computer", then in the raw format of the partition on the right mouse click to select the property, in the pop-up Properties dialog box to find the "Security" tab, and then the "group or user name:" list box garbled delete, and then add this computer users can.

Tip: If the right-click partition does not have a "security" tab in the Bouncing property interface, turn on the computer and click Tools-Folder Options above, and uncheck the "Use Shared Wizard (recommended)" option under the "View" tab in Folder Options.

4, really or not, it may be a U disk internal damage, suggest a new one.