If you have graded student assignments, but later need to revise the grade(s) for whatever, follow the steps below:
First, you must locate the “User Links” section which is located in the Course Management tab in the top toolbar.
In the drop down menu located on the left side, select “Single View”.
In the drop down menu located on the right side, select the desired assignment for grade edit.
Then making sure the “Override All/None” box is checked, you will be able to change the grade point value.
Once you hit the save button located on the bottom right, a pop-up will appear confirmed the changed grades.