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    Ubuntu Adjust Screen Brightness

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    ubuntu linux ubuntu 19.10
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    • IRJI
      IRJ
      last edited by

      Using an intel card here...

      00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 620 (rev 07)

      1 Reply Last reply Reply Quote 0
      • black3dynamiteB
        black3dynamite
        last edited by

        At least on Fedora 31 GNOME 3.34.3, the brightness slider only appears on my laptop but not my desktop.

        DustinB3403D 1 Reply Last reply Reply Quote 0
        • DustinB3403D
          DustinB3403 @black3dynamite
          last edited by

          @black3dynamite said in Ubuntu Adjust Screen Brightness:

          At least on Fedora 31 GNOME 3.34.3, the brightness slider only appears on my laptop but not my desktop.

          I wouldn't think you should expect a brightness control here. But maybe for things like a nightlight setting now that I think about.

          scottalanmillerS 1 Reply Last reply Reply Quote 0
          • scottalanmillerS
            scottalanmiller @DustinB3403
            last edited by

            @DustinB3403 said in Ubuntu Adjust Screen Brightness:

            @black3dynamite said in Ubuntu Adjust Screen Brightness:

            At least on Fedora 31 GNOME 3.34.3, the brightness slider only appears on my laptop but not my desktop.

            I wouldn't think you should expect a brightness control here. But maybe for things like a nightlight setting now that I think about.

            Yeah, I never use this on a desktop. but @CCWTech does. I do use it on a laptop all the time, though, but I use the hardware's brightness, not the OS' when I do that. So I never use this control.

            CCWTechC DashrenderD 2 Replies Last reply Reply Quote 0
            • CCWTechC
              CCWTech @scottalanmiller
              last edited by

              @scottalanmiller said in Ubuntu Adjust Screen Brightness:

              @DustinB3403 said in Ubuntu Adjust Screen Brightness:

              @black3dynamite said in Ubuntu Adjust Screen Brightness:

              At least on Fedora 31 GNOME 3.34.3, the brightness slider only appears on my laptop but not my desktop.

              I wouldn't think you should expect a brightness control here. But maybe for things like a nightlight setting now that I think about.

              Yeah, I never use this on a desktop. but @CCWTech does. I do use it on a laptop all the time, though, but I use the hardware's brightness, not the OS' when I do that. So I never use this control.

              I have 4 screens so looking for something in the OS to handle. Not practical to manually adjust monitors each time I want a change.

              1 Reply Last reply Reply Quote 0
              • DashrenderD
                Dashrender @scottalanmiller
                last edited by

                @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                @DustinB3403 said in Ubuntu Adjust Screen Brightness:

                @black3dynamite said in Ubuntu Adjust Screen Brightness:

                At least on Fedora 31 GNOME 3.34.3, the brightness slider only appears on my laptop but not my desktop.

                I wouldn't think you should expect a brightness control here. But maybe for things like a nightlight setting now that I think about.

                Yeah, I never use this on a desktop. but @CCWTech does. I do use it on a laptop all the time, though, but I use the hardware's brightness, not the OS' when I do that. So I never use this control.

                Interesting - In my experience, if you don't install the HP hotkey drivers - the hardware buttons for screen brightness don't work - this has lead me to believe that these buttons aren't really hardware buttons at all - am I mistaken?

                1 Reply Last reply Reply Quote 0
                • Emad RE
                  Emad R @scottalanmiller
                  last edited by

                  @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                  We've tested on multiple machines, all seem the same. Both Nvidia and AMD cards the same lack of adjustment.

                  Ubuntu 19.10 live install env works great with my AMD APU 3 2200g however after you install the OS and boot with it, it produces graphical artifacts everywhere that do not appear in the live install env.

                  So avoiding since 20.04 is around the corner, however it works well in my work laptop HP Elitebook 840 G6

                  black3dynamiteB 1 Reply Last reply Reply Quote 0
                  • black3dynamiteB
                    black3dynamite @Emad R
                    last edited by

                    @Emad-R said in Ubuntu Adjust Screen Brightness:

                    @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                    We've tested on multiple machines, all seem the same. Both Nvidia and AMD cards the same lack of adjustment.

                    Ubuntu 19.10 live install env works great with my AMD APU 3 2200g however after you install the OS and boot with it, it produces graphical artifacts everywhere that do not appear in the live install env.

                    So avoiding since 20.04 is around the corner, however it works well in my work laptop HP Elitebook 840 G6

                    Is the live install using Wayland or Xorg and using proprietary or open source video drivers.

                    1 Reply Last reply Reply Quote 0
                    • ObsolesceO
                      Obsolesce @scottalanmiller
                      last edited by

                      @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                      @CCWTech said in Ubuntu Adjust Screen Brightness:

                      @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                      On Ubuntu 19.10, there is a brightness setting on the power screen in settings. But it doesn't seem to do anything. You can slide it, but nothing happens. Anyone having luck adjusting screen brightness on Ubuntu?

                      We've tested on multiple machines, all seem the same. Both Nvidia and AMD cards same lack of adjustment.

                      Running 19.10 and I don't even have a brightness setting at all.

                      I have it, but it affects nothing.

                      Laptop or desktop monitor? I can't imagine it working on anything but a laptop.

                      scottalanmillerS 1 Reply Last reply Reply Quote 0
                      • ObsolesceO
                        Obsolesce @scottalanmiller
                        last edited by

                        @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                        @IRJ said in Ubuntu Adjust Screen Brightness:

                        Works fine in Ubuntu 18.04 LTS. Does gnome menu still look the same?

                        dcdf2c0a-69de-4aab-aa9c-3b203b9c88ce-image.png

                        Slider is there, but does nothing.

                        It worked on Ubuntu on my laptops I know for sure last time I had it on my laptops. Dunno the version.

                        1 Reply Last reply Reply Quote 0
                        • scottalanmillerS
                          scottalanmiller @Obsolesce
                          last edited by

                          @Obsolesce said in Ubuntu Adjust Screen Brightness:

                          @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                          @CCWTech said in Ubuntu Adjust Screen Brightness:

                          @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                          On Ubuntu 19.10, there is a brightness setting on the power screen in settings. But it doesn't seem to do anything. You can slide it, but nothing happens. Anyone having luck adjusting screen brightness on Ubuntu?

                          We've tested on multiple machines, all seem the same. Both Nvidia and AMD cards same lack of adjustment.

                          Running 19.10 and I don't even have a brightness setting at all.

                          I have it, but it affects nothing.

                          Laptop or desktop monitor? I can't imagine it working on anything but a laptop.

                          Desktop

                          ObsolesceO 1 Reply Last reply Reply Quote 1
                          • ObsolesceO
                            Obsolesce @scottalanmiller
                            last edited by

                            @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                            @Obsolesce said in Ubuntu Adjust Screen Brightness:

                            @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                            @CCWTech said in Ubuntu Adjust Screen Brightness:

                            @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                            On Ubuntu 19.10, there is a brightness setting on the power screen in settings. But it doesn't seem to do anything. You can slide it, but nothing happens. Anyone having luck adjusting screen brightness on Ubuntu?

                            We've tested on multiple machines, all seem the same. Both Nvidia and AMD cards same lack of adjustment.

                            Running 19.10 and I don't even have a brightness setting at all.

                            I have it, but it affects nothing.

                            Laptop or desktop monitor? I can't imagine it working on anything but a laptop.

                            Desktop

                            That's why. I know of no OS that controls monitor brightness unless it's a laptop/tablet/phone/etc. Never an external monitor with separate power source.

                            scottalanmillerS 1 Reply Last reply Reply Quote 1
                            • scottalanmillerS
                              scottalanmiller @Obsolesce
                              last edited by

                              @Obsolesce said in Ubuntu Adjust Screen Brightness:

                              @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                              @Obsolesce said in Ubuntu Adjust Screen Brightness:

                              @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                              @CCWTech said in Ubuntu Adjust Screen Brightness:

                              @scottalanmiller said in Ubuntu Adjust Screen Brightness:

                              On Ubuntu 19.10, there is a brightness setting on the power screen in settings. But it doesn't seem to do anything. You can slide it, but nothing happens. Anyone having luck adjusting screen brightness on Ubuntu?

                              We've tested on multiple machines, all seem the same. Both Nvidia and AMD cards same lack of adjustment.

                              Running 19.10 and I don't even have a brightness setting at all.

                              I have it, but it affects nothing.

                              Laptop or desktop monitor? I can't imagine it working on anything but a laptop.

                              Desktop

                              That's why. I know of no OS that controls monitor brightness unless it's a laptop/tablet/phone/etc. Never an external monitor with separate power source.

                              Me either, but @CCWTech was asking for it. I've never looked for it before. No idea what it should do in that situation.

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