Normally, if you open the control panel of Windows 10, you can see the feature of changing brightness, and you can adjust the brightness of the display by dragging the change brightness slider to the left and right. What’s a better way to adjust screen brightness when windows 10 brightness not working? In addition, if you are using a laptop computer, the bright computer screen will also greatly consume power and shorten the life of the battery. If the computer screen is too dim, the text on the computer screen will not be clear, which will also cause visual fatigue. If your computer screen is too bright, this can irritate your eyes and give you fatigue or headaches. Adjusting the brightness of your computer screen is very important for your eye health.