1. Right-click the computer icon and select Control Panel, as shown in the following illustration:
2, then click "Hardware and Sound" in the Control Panel page, as shown in the following figure:
3, open the Hardware and sound Settings page, find and click "Select Power Plan", as shown in the following figure:
4, Next click on the current power Plan "change plan Settings", as shown in the following figure:
5, continue to click "Change Advanced Power Settings", as shown in the following figure:
6, in the next pop-up Power Options Settings window, we click to expand the "hard drive-after this time to turn off the hard drive." Here we can set the hard disk shutdown time, can also be set to 0 (that is, do not turn off the hard drive), and then click the "Apply-OK" button can be, as shown in the following image:
So we can cancel the Win7 system dual hard drive automatic shutdown function.