What if the task manager is not fully displayed?

What should I do if the task manager is not fully displayed ？ Because of operational reasons, many times we make the task manager interface without options , Now I will teach you how to restore him to his original appearance , Friends in need can refer to

Because of operational reasons, many times we make the task manager interface without options , Now I will teach you how to restore him to his original appearance .

1、 This is an incomplete task manager , I can't turn it off

2、 At this time, we choose the gray part of the manager , Pictured

3、 Then double click the gray area with the left mouse button to return to normal .

4、 Is it normal