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Suddenly, the contents of a file on the mobile hard disk completely disappeared.
The main reason is that the file allocation table is lost or confused, and the solution is as follows:

1. First, in the computer, click "Start" and click "Control Panel", as shown in the following figure.

2. Click "System Security" after entering the control panel, as shown in the figure below.

3. Then click "Management Tools" in the opened page, as shown in the following figure.

4. Then click "Computer Management" and finally find "Disk Management" in the computer management.

5. Click "Help" and select "Online".

6. After clicking "Online", the system starts to recognize the drive letter of the mobile hard disk, and the antivirus software starts to scan the mobile hard disk.