Win7 system administrator account password cannot modify resolution

1. First, use the right mouse click on the win7 system desktop to select "Management", as shown in the following figure:

2. In the Open Computer Management window, select Computer Management-Local users and groups, and double-click Users on the right, as shown in the following illustration:

3. Open, we select the Administrator account and double-click it, in the pop-up window we will "user can not change password" option in front of the check out, click the "OK" button can be, as shown in the following figure: