Cannot adjust screen brightness Overview:
For screen brightness, there are various issues that you will encounter. When you press the brightness keys on the laptop, the screen cannot be adjusted to bright or dark. and when it follows Settings > System > Display to move the brightness control to change the brightness, the screen does not change. The brightness control is out of work. Too bright or too dark screen will affect your vision, especially when you watch the video. And we have to adjust the brightness of the screen to adapt to different environments.
So please solve this problem and keep the brightness control working.
How to fix can’t adjust screen brightness in Windows 10?
If you find that your screen brightness cannot be adjusted, don’t worry, this will be caused by your graphics card driver. When you enter device manager, you will find that there is a basic display adapter from Microsoft under Display adapters. Then the graph changed. You are not using the actual graphics card. The entire display only uses Microsoft’s basic display adapter, so it doesn’t support advanced settings like adjusting brightness. After you know why the screen cannot be adjusted, you can solve it.
Of course, sometimes, it doesn’t show up as Microsoft’s basic display adapter, but you need to update it. Therefore, updating the graphics driver will help resolve this issue.
Update the graphics driver in Device Manager:
one. Open device manager .
two. Expand display adapters . You will find the graphics card.
3. Right-click on the Microsoft Basic Display Adapter or in the controller his Graphic card and select update driver .
4. Choose Automatically search for updated driver software .
This will allow Windows to install the actual graphics driver. After that, you can try to adjust the screen brightness.
There is a common problem that using device manager to update the driver in some conditions will not succeed. So if you find after updating the driver, but in the display adapter, the graphics card also shows as a basic display adapter from Microsoft. I think you need to update the graph in other ways.
Update display driver automatically:
And normally, if you don’t use device manager to update the graphics card, you can update it manually or use driver booster to update it. You can use Driver Booster to download and update graphics driver automatically. And it can fix all driver issues easily and quickly.
one. Download driver booster on Windows 10.
2. Then install and run it quickly. Then press Scan to search for all device drivers.
3. Identify the Display adapters and then click Update for to update your graphics driver.
Or you can resort to the manual way to find the graphics card model, and then enter the graphics card official download center, download the latest graphics driver. After that, find it on the local drive and install it manually.
With the updated graphics driver, you can change the brightness of Windows 10 as you like.
In short, after updating the graphics card driver, you can adjust the brightness of the screen at any time and in any way. And of course the brightness control can work again.