Laptop brightness is not working – You can apply the solutions below for any laptop, such as Asus VivoBook/ZenBook, HP, Lenovo, or Dell when the brightness is not working. Windows 10 brightness not working after sleep: In many cases, users reported that while their PC works normally, they can’t change the brightness after turning it on from sleep. If problematic updates are causing display issues, you might want to revert them. Windows 10 brightness not working after update – While keeping your OS up to date is always a good idea, it’s not uncommon for updates to trigger malfunctions and system errors. What brightness issues are encountered in Windows 10? Try updating Windows to the latest version to see if that fixes the issue. 
Update Windows – If all of the above steps fail, it may be a bug in the current version of Windows. Brightness slider not working – If the brightness slider is missing or not working, you can try resetting the display settings. For example, some power plans can reduce brightness to conserve battery power. Power plan – Check if you have selected the correct power plan. Hardware issue – If the problem persists after updating the driver, it could be a hardware issue with your monitor or graphics card. You can download the newest driver from the manufacturer’s website. Outdated or missing graphics card driver – Ensure you have installed the latest graphics card driver. There could be several reasons why the brightness controls on your Windows 10 device aren’t working: Why is my brightness not working on Windows 10? 
If Windows doesn’t let you adjust brightness on your PC or laptop, these are the first two areas to check for besides trying the usual common fixes such as restarting your computer or updating Windows.
#Brightness slider not working drivers#
Home › Fix › Windows 10 › Brightness is not changingīrightness issues on your computer are usually associated with display drivers and other power settings, which you may or may not be aware of.
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