Win7 computer often hears how to stop the hard disk stop and start sound

The win7 computer often hears how to stop the hard drive and start the sound:

1. Open the system “ control panel & quoquo; change the "view mode" to "large icon" Then click “Power Options";

2. Go to the Power Options window and use the user's “Preferred Plan” as an example. Click “Balance” and “Change Plan Settings”. ;

3, then click “ Edit Plan Settings “ in the window "Change advanced power settings";

4, in the "Power Options" dialog box, expand “Hard Disk”—“ Turn off the hard drive after this time, you can see that the default setting is to turn off the hard disk after 20 minutes, you can reset it as needed, or simply set it to “ never ”, Then click the “OK” button setting to take effect.