Found this is the forum wonder will it help?
Go to Control Panel-> Power Options, then click on "Change Plan Settings" for the plan you use. Then, click on "Change Advanced Power settings". In the window that opens, expand "hard disk" by clicking on the plus sign against it. Then click on the plus sign against "Turn hard disk after" and set it to "Never". Click on Apply, OK.
But yes, hard drives may wear out faster if they keep spinning all the time, although theres another theory that starting and stopping is worse. Instead of Never, you can also set another longish interval of choice.