In the power regulation of the computer, turning off the hard disk means that the hard disk will not be powered and will stop.
Changing the power settings of Windows includes the need for a password when waking up, the ability to select the power button, the ability to close the cover, creating a power plan, selecting the time to turn off the monitor, and changing the computer's sleep time.It can save energy for mankind, but you should customize it according to your own situation.
It is to stop reading and writing the hard disk after your computer is in standby and you turn off the hard disk.If you are downloading something, it will stop.