![]() Now you can put a float number to the brightness property (software only modification): $xrandr -output eDP-1 -brightness 0.5Īs of Ubuntu 18.10, it seems I could combine all three approaches independently. First run it without parameters to check out your monitor names. Xrandr is a great tool to handle display properties. The lowest level seems to be "1", if I try to put "0" or invalid input, write permisssion is denied. Sudo chmod o+w /sys/class/backlight/intel_backlight/brightnessĮcho "100" > /sys/class/backlight/intel_backlight/brightness $cat /sys/class/backlight/intel_backlight/brightness At my computer, I find it on /sys/class/backlight/intel_backlight/brightness script files and then run them from the CLI like this: osascript /Path/to/File. Brighter: tell application 'System Events' key code 145 end tell. If you are not happy with enabling Zoom, you may try to edit brightness file in a backlight folder. You can do it via an Applescript and run it as such: Dimmer: tell application 'System Events' key code 144 end tell. Gsettings set 11y.magnifier brightness-blue -0.6 Gsettings set 11y.magnifier brightness-green -0.6 Gsettings set 11y.magnifier brightness-red -0.6 Or launch these commands to reduce the brightness programatically:.Find /org/gnome/desktop/a11y/magnifier folder (either by clicking through the tree or by hitting Ctrl+f and typing "magnif".Then install a nice tool to manipulate dconf and run it:ĭconf-editor # this can be done from your start menu too.First, you have to enable Zoom options in settings / Universal access / Zoom /. ![]() But I am quite satisfied with using setting brightness value in dconf – this is a Ubuntu alternative to windows registry. You can learn more about it on the app’s website.There are many options. It’s also available as part of the Setapp subscription, which lets you try out the app for free for seven days. If you want to give DisplayBuddy a try, an individual license for the app costs $12.99. In my tests, the app really worked as promised. DisplayBuddy also has integration with Siri Shortcuts, so you can create different presets and switch between them using just your voice. Users can even set custom shortcuts for switching between HDMI/Thunderbolt ports. If you want to make things even easier, the app lets you use the brightness keys on Apple’s Magic Keyboard (or any other key combination you like) to adjust brightness and volume. ![]() In some cases, you can also adjust the contrast and volume of an external display directly from DisplayBuddy. The app relies on the DDC-CI protocol to work. Then, just click the DisplayBuddy icon in the macOS menu bar to adjust the brightness of external displays connected to your Mac. In fact, all you need to do is install the app and open it. Setting it up for the first time is super easy. The good news is that DisplayBuddy works not only with Intel Macs, but also with Apple Silicon Macs. In fact, I used a similar tool in the past with my 2017 MacBook Pro, but it was never updated with support for M1 Macs. Luckily, DisplayBuddy makes the brightness controls work in macOS as if I were using an Apple display.ĭisplayBuddy is not the first app in this category. As you can imagine, this is quite annoying and far from elegant and intuitive. As a result, the only way I have to increase or decrease its brightness is by using the monitor’s built-in buttons. Personally, I have a 4K monitor from LG that has no macOS integration. The tool is extremely useful for those who have a third-party display. This means that you no longer need to access your monitor’s settings to adjust the brightness. With DisplayBuddy, users can control the brightness of external displays directly from their Mac. However, most third-party displays don’t have macOS integration – but this is something you can fix with DisplayBuddy. When you use your Mac connected to an Apple display or an LG UltraFine (which is officially supported by Apple), changing the brightness of the external display is just as easy as doing it on your Mac’s display.
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