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    Ubuntu Adjust Screen Brightness

    Scheduled Pinned Locked Moved IT Discussion
    ubuntulinuxubuntu 19.10
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    • scottalanmillerS
      scottalanmiller @CCWTech
      last edited by

      @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.

      DustinB3403D ObsolesceO 2 Replies Last reply Reply Quote 0
      • DustinB3403D
        DustinB3403 @scottalanmiller
        last edited by

        @scottalanmiller What desktop environment are you using?

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

          @DustinB3403 said in Ubuntu Adjust Screen Brightness:

          @scottalanmiller What desktop environment are you using?

          Generic. Gnome 3.

          DustinB3403D CCWTechC 2 Replies Last reply Reply Quote 0
          • DustinB3403D
            DustinB3403 @scottalanmiller
            last edited by

            @scottalanmiller said in Ubuntu Adjust Screen Brightness:

            @DustinB3403 said in Ubuntu Adjust Screen Brightness:

            @scottalanmiller What desktop environment are you using?

            Generic. Gnome 3.

            To ask, does it work in Cinnamon?

            1 Reply Last reply Reply Quote 0
            • IRJI
              IRJ
              last edited by

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

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

              scottalanmillerS 1 Reply 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:

                @scottalanmiller What desktop environment are you using?

                Generic. Gnome 3.

                Gnome3 for me as well.

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

                  @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.

                  ObsolesceO 1 Reply Last reply Reply Quote 0
                  • 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.

                                            1 Reply Last reply Reply Quote 0
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