Screen Brightness Not Changing
For computers with a light sensor, typically laptop computers, Windows 10 has the ability to automatically adjust the screen brightness depending on the ambient light levels.This feature can be more annoying than helpful, either leaving your screen too dark or frequently adjusting the brightness levels.Here’s three ways to disable the automatic screen brightness feature.
Contents:.Unable to Adjust Screen Brightness after Windows 10 1803 April UpdateSome users are faced with the fact that after updating to the latest Windows 10 build (1803 April Update) they can’t change the screen brightness on many laptop models. Brightness control doesn’t work and is stuck at max level at any position of the brightness slider in the settings. Also it is impossible to change the brightness using the keyboard’s function keys.Almost in 100% of cases, the rollback to the previous Windows 10 build (1709) helps to solve the problem with the display brightness. There are simpler solutions for Windows 10 1803.If the brightness adjustment issue occurs immediately after upgrading to Windows 10 1803, try to install the last cumulative update KB4284835 (OS Build 17134.112, June 12, 2018).
Computer Screen Brightness Not Changing
According to information from Microsoft, it fixes the problem with brightness control on laptops with Windows 10 1803. On laptops with an ambient light sensor (available on almost all modern tablets and laptops), adaptive brightness automatically adjusts the brightness of the screen depending on ambient light. If this function is enabled – you can’t significantly increase the screen brightness.Also try changing the settings in the items:. Dimmed display brightness. Display brightnessDisabled Generic Pnp MonitorIf you can’t change the display brightness in the notification panel and in the screen settings, check whether the Generic Pnp Monitor is not disabled in your devices.
Brightness Not Changing Windows10
This is the most common problem on Lenovo and HP Pavilion laptops.Open Device Manager ( devmgmt.msc) and in the Monitors section check if the Generic Pnp Monitor is enabled. If it is not, right-click and enable it.