Many factors, such as ambient lighting and battery life, influence how often a laptop user must adjust the screen’s brightness. So, read this article to know how to adjust brightness in Windows 7 using the keyboard and in other ways. However, this post will concentrate on both manual and automatic brightness level changes in your Windows 7 laptop. There are various ways to alter the brightness levels in your current Windows 7 devices. If you’re in a dim environment, you’ll want it to be dim so your eyes don’t ache. You want to crank it up when it’s bright outside so that you can see. You should probably adjust the brightness of your screen on a frequent basis.