How to use the Windows 7 system group policy to hide the system partition

first step, press the Win+R key, enter gpedit.msc, start the group policy editor;
the second step, enter in the group policy editor "User Configuration & Rarr; Windows Components & Rarr; Windows Explorer";
Step 3, find on the right “ Prevent access to the drive from "My Computer" <;
Step 4, double click Open the dialog box and click “Enabled” to select only the drive C” from the options below, and then click the “Apply button”.
This way we can hide the C drive in the Explorer, not only the C drive is not visible in the Explorer, but even if you type "C:" in "Run" C drive, the little boy will not mistake the system disk for trouble.