That’s all, restart your system and check on the next login windows allow adjusting screen brightness. Now locate and click each of the following…” Display brightness”, “Dimmed display brightness” and”Enable adaptive brightness”.Ĭhange each of these to the settings you wish, then click the “Apply” button and finally the “OK” button.In this new window click “Display” to open up the listings under it.Click the “Change plan settings” link next to whichever plan you are currently using and then click “ Change advanced power settings“.Go into “Control Panel” and then “Power Options” Or Right-click on the Power icon on the taskbar and select Power Options.Restart windows and check This will fix the “can’t adjust brightness ” bug. You Can check And install latest updates from Settings ( Windows + I ) -> Update & Security -> windows update -> And check for updates. If the problem started after installing windows 10 version 21H1, then make sure you have installed the latest Cumulative Update, As Microsoft mentioned: “ Addresses an issue with the brightness controls on some laptops after updating to the Windows Update. Under settings, the display setting provides no adjustment for brightness. whatever the reason here are some quick solutions you may apply to fix the problems that prevent changing the brightness of the screen in Windows 10.Īfter the recent upgrades to Windows 10 version 21H1, my Dell Laptop brightness is off the charts. Again sometimes incorrect power configuration, third-party applications, Windows update bugs cause “ windows 10 brightness not working“. This problem in the relevant drivers doesn’t allow you to adjust your display brightness. If you are also experiencing a Windows 10 brightness control “not working” issue. A number of users report after the recent windows 10 upgrade (May 2021 update ) Windows won’t let to adjust brightness on the laptop.
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