U disk capacity is displayed as 0, how to do

When we encounter 0MB and RAW format failure in U disk, many people think that U disk is broken, in fact, in most cases, it can be repaired by yourself. Fix it now together. First, go to the “Control Panel” and switch to the classic view, find “Administrative Tools”, double-click to open, then double-click to open “Local Security Policy” and click the plus sign in front of “Local Policy”. Then click “Security Options”, in the right window, find the "Network Access: Sharing and Security Mode for Local Accounts" item, and then set the security settings behind it. "Only Guest - Local User Authentication" & rdquo ; changed to "Classic - local users authenticated by their own identity". Then open “My Computer", right click on the RAW format partition, click Properties, and in the pop-up properties dialog box, look for the "Security" tab, and the “ group or user name: & rdquo; list box The garbled code in the middle is deleted, and then the user who added the machine can do it. Note: If you right-click on the partition and there is no "Security" label in the pop-up properties dialog box, you can open "My Computer" and click "<quo;Tools"------" ; View & rdquo;, will use the simple file sharing (recommended) & rdquo; cancel the check mark in front. If the above method can not be solved, you can also use the software such as easyrecovery to save the U disk file, and then carry out the low cell. If you can't find the USB flash drive, you can right click on “My Computer” and select “Attributes”, then select “Hardware” in the pop-up window, “Device Manager”, select from the hardware list. “Universal Serial Bus Controller”, right click on the following USB MASS STORAGE DEVICE and select “"Attribute”, in the pop-up window, select “Details” and select “"Hardware ID" in the list box. To see if there is VID and PID (you can also use "ChipGenius V2.55 U disk master chip detection" software), check the information of the main chip manufacturer and model. Use the mass production tool to repair the USB flash drive. If you still can't repair the U disk, you can only damage the internals of the U disk. You need to contact the professional repair point to return to the factory for repair.