![]() There's also support for "Headless Mode". However, the application can also be run on Intel Macs running macOS Big Sur. According to the developer, the software implement is compatible with all M1 Macs running macOS Monterey. 4: Finally, select the desired resolution.įurther instructions can be found on BetterDummy's GitHub page.3: Select the "Scaled" option, while holding the alt-option key.2: Set up the new monitor called "Dummy" under the "Optimized For" section.1: In System Preferences, toggle the option to synchronize displays on.Then, the following steps also have to be taken: The app is downloadable free of charge from the open-source software platform GitHub.Īpplication Provides Support For A Number Of ResolutionsĪfter starting BetterDummy, users need to click on the option to "Create New Dummy" to generate a new virtual resolution. The disadvantages of the HDMI dummy adapter are thus avoided, as per the software developer – and the software even provides support for a diverse set of resolutions and aspect ratios, ranging from 1:1 to 32:9, including portrait formats. The open-source application, BetterDummy, provides a hardware free alternative to the problem described above and allows lower resolution or non-4K displays to HiDPI mode. "BetterDummy" Provides Retina Mode Support The same also applies when users utilize the external display to "mirror" what's on their M1 Mac in order to achieve "retina" resolution on a non-4K external display. Its due to a limitation behind the scenes with the macOS Quartz virtual display mirroring. ![]() Additionally, the adapter "solution" can also causes issues with displaying the mouse and the number of possible resolutions and aspect ratios is also restricted. The free app BetterDummy resolves the resolution issues on M1 Apple Silicon, with one major drawback: You lose HDR support Thankfully its easy to toggle BetterDummy as needed, but thats the current situation. For example, on the Mac mini the dummy adapter takes up an HDMI slight which could otherwise be used for a different monitor. Such a solution isn't very elegant and also presents several disadvantages. This wish can indeed be fulfilled, however, a special HDMI "dummy" (or adapter) is required to trick the Mac into believing that the external display supports 4K. However, many users of Cupertino's notebook/desktop devices would also like to use the HiDPI mode with displays supporting 1440p – meaning that they support user-defined resolution on newer Macs. Those running an M1 Mac with a non-4K external display don't have any "retina" resolution options.
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