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4. To unmount a data disk (non-OS disk),
a. Select the disk device entry in the list and click Umount button. To check
if the unmount is successful, click again the Umount button and a message that the
disk is not mounted will pop up, click OK then.
b. Delete the list entry of an unmounted disk if the disk will not be mounted at boot time or
the disk will not be available at reboot. An error will occur during OS bootup if a device
is in the filesystem table but is not present/accessible during bootup.
c. Click Save button or File Menu | Save to reflect the change of disk setting automatically
at boot time.
5.
Close the application.
