How to improve hard disk performance through SATA hard disk under win7 system

  
            1. Right click on the “Computer” icon on the win7 system desktop and select “Manage” to open the “Computer Management” window;
2. Click “Device Manager” on the left side of the window. Open the "Device Manager" window, and then expand the "Disk Drive" in it and find and right click on the hard disk used by the machine to select "Properties";
3, in the pop-up shortcut menu In the "Properties" window, switch to the "Policy" tab, and then tick "Enable write cache on the device" and click OK to save and exit.

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