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.