The setting method is as follows:
Right-click the "My Computer" icon (the system after win7 is the "Computer" icon) and select the "Manage" menu to open the "Computer Management" window.
Select "Device Manager" on the left side of the "Computer Management" window, select "Disk Drive" on the right side, right-click the hard disk to be shielded, and select "Disable" to disable the hard disk. Disabling partitions on your hard disk will no longer appear in My Computer.
The Computer Management window is set as follows: