Update Graphics Driver in Device Manager:Ģ. So updating the graphic driver will help solve this problem. Of course, sometimes, it not showing as Microsoft basic display adapter, but you need to update it. After you know why the screen cannot adjust, you can solve it. All the screen are only using the Microsoft basic display adapter, so it cannot supports the advanced settings such as adjust brightness. When you enter the device manager, you will find there is a Microsoft basic display adapter in Display adapters. If you find your screen brightness cannot be adjusted, do not worry, this will caused by the graphic card driver. How to Fix Cannot Adjust Screen Brightness on Windows 10? So solve this problem and keep the brightness control working is necessary. And we need to adjust the screen brightness to adapt to different environments. Too bright or too dark screen display will affect your vision especially when you view the video. When you press the brightness keys on the laptop, the screen cannot adjust to bright or dark.Īnd when you follow Settings > System > Display to move the brightness control to change brightness, the screen has no change. If you have an external monitor, unfortunately, Windows 10 doesn’t provide a way to adjust brightness for secondary displays.How to Fix Windows 10 Brightness Cannot be Changed? Cannot Adjust Screen Brightness Overview:įor the screen brightness, there are several problems you will meet. The above instructions will only work for a laptop desktops with a single monitor. Use the sliders to adjust the plan brightness when your laptop is running on battery or is plugged in.Īdjust plan brightness settings in Control PanelĪfter you complete the steps, you only need to remember to adjust these settings again if you ever change the power plan. To change the screen brightness on Windows 10 with Control Panel, use these steps:Ĭlick the Change plan settings link of the current power plan that you’re using. (On a desktop PC, you’ll only see the controls to adjust the settings when the device is plugged in.) You can also use Control Panel to manually reduce the screen brightness when your laptop is plugged in or running in battery. However, it’s important to note that you can only turn on or off the option, as there is no way to adjust the brightness level in battery saver mode. To lower brightness automatically during battery saver, use these steps:Ĭheck the Lower the screen brightness while in battery saver option. The device can conserve battery by letting Windows 10 lower the brightness automatically while battery saver is enabled.
Also, note that if your laptop or monitor includes a light sensor, you can also check the Change brightness automatically when light changes option, but this will override the manual configuration.
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