How to change Hard-drive Icon in windows 7

1. Open the Start Menu.

2. In the white line (Start Search) area, type regedit and press Enter.

3. Click on Continue in the UAC prompt.

4. In regedit, go to:
HKEY_CURRENT_USER\Software\Classes

5. In the left pane, right click on Classes and click on New and Key.
NOTE: If you already have the Applications key under Classes, then go to step 7.

6. Type Applications and press Enter.

7. In the left pane, right click on Applications and click on New and Key.
NOTE: If you already have the Explorer.exe key under Applications, then go to step 9.

8. Type Explorer.exe and press Enter.

9. In the left pane, right click on Explorer.exe and click on New and Key.
NOTE: If you already have the Drives key under Explorer.exe, then go to step 11.

10. Type Drives and press Enter.

11. In the left pane, right click on Drives and click on New and Key.
NOTE: If you already have the Drive Letter (EX: C) key under Drives, then go to step 13

12. Type the drive letter (EX: C) you want to change the drive icon for and press Enter.

13. In the left pane, right click on the drive letter (EX: C) and click on New and Key.
NOTE: If you already have the DefaultIcon key under the drive letter, then go to step 15.

14. Type DefaultIcon and press Enter.

15. In the right pane, right click on (Default) and click on Modify.

16. To Restore the Default Drive Icon -
A) Empty the Value data field and click on OK.
B) Go to step 19.

17. To Change the Drive Icon -
A) Type in the full path of where the icon is saved at and click OK.
(EX: C:\Users\Everyday\Downloads\HDD Black.ico)
NOTE: The icon will need to remain in it's location for as long as you are using it. You can use any icon (.ico file) you want, or one that came with Vista. (EX: A .dll file path) See the How to Use a DLL OR EXE Icon Library File below.

18. The registry should look similar to this now.

19. Close regedit.
NOTE: The change will be immediate. If you have Computer open, then you may need to press F5 to refresh the window to see the new icon. If you used a wrong icon size for the drive icon, then you may need to change the window's icon size in the View or Views menu to a smaller size.

20. Repeat steps 11 to 19 if you want to add another drive letter icon to change.

21. In some cases, you may need to restart the computer to apply the changes.