programme I:
. Right-click My Computer.
2. Open: Management-Disk Management.
3. On the right side of the disk partition, right-click the partition you want to hide, and then click Change Drive name and path.
4. A dialog box appears and click "Delete".
5. A confirmation dialog box appears, click "Yes". Just OK.
If you want to retrieve the hidden partition, add it at the 4 dialog.
Programme II:
Run Gpedit.msc Open Group Policy Editor
and expand to User Configuration--Admin template--windows Component--windows Resource Manager--Find "Hide these drives specified in My Computer" double click and modify to Enabled and select the partition you want to hide OK and exit.
Programme III:
Start running Regedit Open the registry, turn on Hcusoftwaremicrosoftwindowscurrentrersionpoliciesexplorer
DWORD Value Noprives Set value 12 Hide G value 8 Hide D
Programme IV:
At [Start]-->[run]--> type [regedit]-->[hkey_current_user]-->[software]-->[microsoft]-->[windows]-- >[CurrentVersion]-->[Policies]-->[Explorer]--> Add a DWORD value [NoDrives] numeric data use decimal and set as follows: Hide a disk for [1], hide B disk for a One times the disk is [2], hide the C disk to B disk of one times that is [4], so on, and so on, if all hidden is [67108863].