Why does laptop display dim automatically in Windows 10/8/7

Windows 7 introduced several new power saving measures, in order to extend battery life of your laptop. One very visible feature is the way the laptop screen dims after a set period of time. These power saving features have been further improved upon in Windows 8/10.


Adaptive Display Brightness

Windows 8 or Windows 7 extends battery life for your laptop with an Adaptive Display Brightness feature. This feature, automatically dims the display on you laptop, when it notices that your computer has not been used for a while or after a set period of time.


This is similar to what most cell phones do.

Windows users know how to manage Windows 7 power plan settings, the pro’s and con’s of the different Power Plans and how to troubleshoot Power Plans in Windows 7. Windows 8 users are also aware of the process of managing power settings and creating custom plans in their Windows 8 PC. But if you want to learn more, you can read this post on how to Conserve Battery Power and Extend or Prolong Battery Life .

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Anand Khanse is the Admin of TheWindowsClub.com, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.

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