The exit code returned by the dismount command changes when the params are toggled. The Boolean parameters $force and $permanent have been tried with different permutations to no avail.
I then check my computer to check if drive is unmounted but it is not.
#call dismount on that object there by ejecting drive $drive = Get-WmiObject Win32_Volume -filter 'DriveLetter = 'F:'' The following script is what I use: #get the Win32Volume object representing the volume I wish to eject I am attempting to dismount an external USB drive using powershell and I cannot successfully do this.
