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:: This will unmount the drive with the letter X assigned to it
::
::
::
:: To write down such a BAT [and its counterpart] for any drive [except probably for C] you need to:
::
:: 1] Open up the Command Prompt as Administrator
::
::
::
:: 2] Run command
::
::    mountvol
::
::
::
:: 3] Copy the whole long gibberish Volume Name appearing above a given drive. It starts with
::
::     \\?\{
::
::     and ends with
::
::     }\
::
::
::
:: 4] Run command
::
::    mountvol @: /p
::
::    where @ stands for the letter of the drive. This will dismount that drive. Do not use >>/d<< which only removes the drive letter assignment
::
::
::
:: 5] Run command
::
::    mountvol @: /p \\?\Volume{########-####-####-####-############}\<<
::
::    where @ stands for the letter of the drive and all those ## stand for its name. This will mount back that drive
::
::
::
:: 6] In case of problems please refer to:
::
::    https://superuser.com/questions/704870/mount-and-dismount-hard-drive-through-a-script-software
::
::    www.instructables.com/id/VBScript-Working-with-mounted-drives



:: And so the current commands are
::
:: mountvol X: /p
::
:: mountvol X: \\?\Volume{9647db15-ae52-43d4-bf80-5adb74be5984}\
::
:: But the problem with all of this is that mountvol only takes case of the mount state and disregards the spinning thus noise [thus the main reason for using such BAT]. Although recently it started to also spin the drive down
::
::
::
:: And also, for a BAT with these commands to work it has to be run a Administrator. And instead of right clicking the BAT and using the "Run as administrator" shell entry, an ordinary shortcut to such BAT can be created for which
::
::    Properties > Shortcut > Advanced > Run as administrator
::
:: checkbox can be selected
::
:: [However if CMD is run as Administrator then strangely somehow only the dismount command works when executed within it]



mountvol X: /p



exit



:: An alternative way to dismount is to use such a BAT:
::
::
::
:: @echo off
::
:: REM Change this to the drive you want to unmount
:: set drive=C:
::
:: echo Unmounting Drive...
:: mountvol %drive% /p
:: echo Drive Unmounted
::
:: pause
:: exit



:: An alternative way to mount back is to use such a BAT:
::
::
::
:: @echo off
::
:: REM Change this to the drive letter you want to mount the drive to
:: set drive=X
::
:: REM Change this to the Volume Name of the drive you want to mount
:: set volume=\\?\Volume{########-####-####-####-############}\
::
:: :start
:: echo Mounting Drive...
:: mountvol %drive%: %volume%
:: echo Drive Mounted
::
:: pause
:: exit