USB flash drive Non-readable repair steps

Sometimes the USB flash drive will be such or such a failure, such as "RAW format" error can not be read, the following is the solution to this situation:

First step: First go to "Control Panel" and switch to Classic view, find "Administrative Tools", double-click Open, double-click open "Local Security Policy", click the plus sign in front of "Local Policy", click "Security Options", in the right window, find the "Network access: local account sharing and security mode" item, Then change the security settings behind it to "guest only-local users authenticate as guest" to "classic-local users authenticate as themselves".

The second step: open "My Computer", in the raw format of the partition right click on the properties, in the Pop-up Properties dialog box to find the "Security" tab, the "group or user name:" list box garbled deleted, and then add the user of the machine.

Tip: If you right-click a partition and do not have a "security" tab in the Pop-up properties dialog, you can open My computer, tap Tools-Folder Options-view, and then cancel the "Use Simple File Sharing (recommended)" Front of the check box.

The above method can not be resolved when the use of easyrecovery and other software to save the U disk files, and then low lattice. If you are unable to find a USB flash drive, you can right-click "Properties" on "My Computer", then select "Hardware" in the pop-up window, "Device Manager", select "Universal Serial Bus Controller" in the hardware list, and right-click on "" Properties "on USB MASS STORAGE DEVICE below. In the pop-up window, select "Details", select "Hardware ID" in the list box, see if there is vid and PID (can also use "Chipgenius V2.55 u disk Master Chip detection" and other software), on this site with VID and PID to check the main chip manufacturers and model information. Use the mass production tool to repair the USB drive.

If it is still unable to repair the USB flash drive, it may be internal damage to the USB stick, you can contact professional repair point back to the factory repair.