The operation steps for adjusting the brightness of the all-in-one computer screen are as follows:

　　1.Firstly,open the control panel of the computer,which can be found at the beginning in the bottom left corner of the screen.

　　2.After entering the control panel,locate the power option.

　　3.After entering the power options,find the balance and click on the change plan settings on the right.

　　4.When you come in,you can see a scheduling bar below.Just drag it to adjust the brightness of the screen,and finally click Save to make changes.