Resolution list may be displayed instead of the icons depending on the combination of the Mac and the monitors. Please disable 'Mirror Displays' before selecting 'Scaled'. To see the additional resolutions for your external display, choose Apple menu > System Preferences, click Displays, then press and hold the Option key while you click Scaled. 3.1 macOS Sierra (10.12.5 or later) (1) Open Display tab of 'Displays' setting in System Preferences. If you connect an ultrawide or super-ultrawide monitor to your Mac with Apple M1 chip, some resolutions supported by your display may not be available.Īpple is aware of this issue and resolution is planned for a future macOS update. If the supported resolution isn’t available on an ultrawide or super-ultrawide external display connected to your Mac with Apple M1 chip
8-channel/24-bit audio at 192kHz, Dolby Surround 5.1, and traditional stereo. 4K at 60Hz on Mac models that support HDMI version 2.0.
Macworld spotted an extremely brief support document. Mac computers that have a built-in HDMI port comply with HDMI 1.4 or later depending on the Mac model and support: 1080p and 4K at 30Hz on Mac models that support HDMI version 1.4 or later. M1 Macs don’t seem to recognize the native resolution of these monitors … One of the things Apple recommends you try if you are using an Apple notebook, such as a MacBook, MacBook Air, or MacBook Pro, is to connect the power adapter to give it additional power. Apple has acknowledged problems experienced when using an M1 Mac with ultrawide or super-ultrawide external monitors. Some Apple notebooks don’t have enough juice to push the extra pixels of an external display.