Repair your USB drive yourself

When we encounter a U disk 0MB and RAW format failure, many people think that the U disk is broken, but in fact, most of the time can be repaired by themselves, now tell you how to operate it.

First, go to the Control Panel and switch to Classic view, locate the Administrative tools, double-click Open, double-click to open Local Security policy, click the plus sign before local policy, click Security Options, and in the right window, locate the Network access: Sharing and security mode for local accounts item. Then change the security settings "Guest only-local user to guest authentication" to "classic-local users authenticate as their own".

Then open "My Computer", in the raw format of the partition on the right button, click Properties, the Pop-up Properties dialog box to find the "Security" tab, "group or user name:" list box garbled delete, and then add the user on this machine can be.

Note: If you right-click the partition and there is no "safe" tab in the pop-up Properties dialog box, open "My Computer", click "Tools"-"Folder Options"-"view", and then cancel the check in front of the "Use Simple File Sharing (recommended)" button.

If the above method can not solve, but also use easyrecovery and other software to save U disk files, and then lower lattice. If you can not find a U disk, you can right-click "Properties" On My Computer, select "Hardware", "Device Manager" in the pop-up window, select "Universal Serial Bus Controller" in the hardware list, and right-click "Properties" on the USB MASS STORAGE DEVICE below. In the pop-up window select "Details", in the list box "Hardware ID" to see if there are vid and PID (can also be used "Chipgenius V2.55 u disk Master Chip detection" and other software), the main control chip manufacturers and models of information. Use the mass production tool to repair the U disk.

If you still can not repair u disk, you can only be a U disk internal damage, to contact the professional repair point back to the factory repair.