1st Of All Go to START > Run > & type CMD Press enter.
now Type Diskpart & Hit enter
Diskpart Utility will Appear
now Type list volume enter
Select the Drive or volume that you want to hide
if you have four drives C,D,E,F, & you want To Hide “D” Drive
Then Type select volume 2 & press enter
To Hide This Drive Type remove letter D now Press Enter & close it
Restart your pC Then Open My computer to check, Drive D is not There
To show the Hidden Drive, Then Type assign drive d
Try iT nOw