It is designed to do the whole driver downloading and installing job instead of you. In addition, you’ll have the option to update several drivers, if required or choose the Update button next to each driver. The tool will show precisely what drivers need updating. Use a third-party tool to update display drivers on Windows 10ĭriverFix is one of our top recommendations when it comes to updater software. Select Display from the left pane, then uncheck the box for Change brightness automatically when lighting changes.Ĭheck if your Windows 10 brightness slider not working issue is now resolved.Click the Start button and select Settings.This works only on displays with ambient light sensors, so move to the next solution if you don’t find the feature. If this does not work, check solution number three. Install the appropriate drivers missing from your laptop that can cause the brightness adjustment problem. You can also try and get the latest drivers from your computer’s manufacturer’s website and download and install the latest display and chipset drivers. Restart the computer after it’s updated and verified.Select the option to Search automatically for drivers.Right-click on your Display Adapter listed and click on Update Driver.Press the Windows key and select Device Manager.Update the display adapter drivers using Device Manager If none did the trick, go with the fixes listed next. This helped many fix things when Windows brightness was not working. If you previously connected the laptop to a TV or another display, disconnect the HDMI cable, and restart the computer for the earlier settings to come into effect.First, disconnect all non-critical peripherals from the computer, with just the keyboard, mouse, and monitor (in case of a desktop) connected.What can I do if Windows brightness is not working?īefore we head to the slightly complex solutions, try these: While the Windows brightness slider can be missing or behave erratically, it’s usually easy to fix and shouldn’t take much time. Brightness option may not be available at all: For some users, the brightness option went missing.However, keep in mind that every model of laptop is different. 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. 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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