![]() So if the above solutions are not working, try this one. The fourth solution to solve the issue Windows 10 brightness not working is to use the Microsoft Basic Display Adapter. When the process is finished, you can check whether the issue Windows 10 brightness not working is solved. But it requires that you have downloaded the driver in advance. If you want to update driver manually, choose the other one. Step 3: In the popup window, choose Search automatically for updated driver software to continue. Step 2: Select the display driver and right click it. For the detailed steps, please refer to the method listed above. Here we show you how to update display drivers automatically. In general, you can update drivers with two different ways by manually or automatically. Then choose Enable device to continue.Īfter that, try to check whether the issue brightness slider not working is solved. ![]() Step 4: After that, enter Device Manager window again and expand the Display adapters. Then your screen may turn off, but it will switch back on after a couple of seconds. Step 2: Expand Display adapter, right-click your display adapter and choose Disable device to continue. Step 1: Press Windows key and R key together to open Run dialog and input the devmgmt.msc and hit Enter to continue. So in order to solve the problem, you can try restarting the display adapter. Sometimes, the display adapter on your computer can break down so as to lead to the issue brightness not working Windows 10. When the process is finished, try to check whether the issue Windows 10 brightness not working is solved. Step 3: Go to Windows Update section, and click Check for Update to continue. Step 2: In the pop-up window, choose Update & Security. Step 1: Press Windows key and I key together to open Settings. To upgrade Windows 10, we will show you the detailed steps. If the brightness slider is not working result from the operating system, especially after a major feature upgrade, upgrading Windows 10 is a good way to solve the problem. Update Windows 10Īs for solving the Windows 10 brightness not working problem, you can update Windows 10 firstly. Now, we will show you how to fix the Windows 10 brightness not working problem. This fixed the brightness keys on my Legion 5.Tip: To avoid data loss during the fixing process, try MiniTool software to keep data safe. Scroll through the file until you find the line: Section "Device" then add: Option "RegistryDwords" "EnableBrightnessControl=1" In my case the nf file was generated in etc/X11/nf.įinally, navigate to that directory and edit the xorg configuration file by doing for example: Press the corresponding button (circled in the image below) in the same tab and take note of where the nf file was generated. Once you see that your screen has been detected you can now generate an xorg configuration file. ![]() You should see in the X server Display Configuration tab that your laptop screen has been detected as underlined in the image below (Without step 1 it will show that PRIME is selected). ![]() This should fix the problem for the nouveau driver but not the proprietary one.Īccess the nvidia-settings from the terminal. To fix that, when booting, enter the UEFI Firmware settings and change the graphics from switchable to discrete. It turned out that when using switchable graphics,the ubuntu drivers are unable to detect the laptop screen. I managed to solve this issue by following a few steps: If anyone has found another fix for the Legion 5 or faced a similar issues, please advise. Here are some of the tutorials I have followed, with none working: I had to use Timeshift to return it to normal. It is perhaps worth noting that with nf solutions, sometimes vertical green lines appear on the background and the fonts become all blurry or missing. I also tried editing files in /usr/share/X11/, like for example the nf and I tried creating a 20/nf file, but nothing has worked so far. I found an intel_backlight folder in /sys/class/backlight and I tried changing the GRUB several times adding acpi_backlight = vendor, none or video after quick splash. ![]() I managed to change the brightness by installing the brightness controller app but it is not a perfect solution. The brightness keys or slider don't work on Ubuntu, but they have no problem on windows. I have a Lenovo Legion 5 15IMH05H with a NVIDIA GeForce RTX 2060 6GB GDDR6/Intel Corporation UHD Graphics (rev 05) and an Intel Processor.Īfter dual booting windows and Ubuntu 20.04, I encountered a few issues with changing the display brightness. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |