![]() ![]() BTW, the display on the Cinema Display is ok, but not able to control the brightness. Unlike other software that only simulate a brightness change by adding a black overlay over your screen, Lunar uses DDC ( Display Data Channel ) to send commands like set brightness to 30 or switch input to HDMI 2 directly to the monitor. It was working fine before upgraded to macOS Monterey. ![]() I see various third-party Mini DisplayPort adapter cables for sale online, but none of them are very clear in their descriptions as to whether or not they would work connecting to a USB-C port (as with the 12" MacBook Retina) or which devices are supported.Īny info or clarifications on this topic in general (the convertability of Mini DisplayPort connections) would be most appreciated. The brightness control only able to control the iMac main display but not the external Cinema Display. ![]() Change your Mac display’s brightness On your Mac, change your display’s. (Not sure if the operating system matters, but in case it does, the MacBook is running Big Sur 11.6.2 - however I could upgrade to Monterey if that would help.) In OS X 10.10 and later, the Brightness slider may no longer appear in the Display pane of Displays preferences. Specifically, I'm currently talking about a 2010-era 27" Apple LED Cinema Display (which connects to other devices via a Mini DisplayPort cable) and a 2015-era 12" MacBook (Retina) (which doesn't have a Mini DisplayPort), but I could possibly access other Apple computers (none of which have a Mini DisplayPort), so my question is more about this type of connection in general. Depending on the type of display connected to your Mac, you may also see a Contrast slider that you can use to adjust. Software can affect display detection, the quality of the image on your display, and the. If you can’t do that and your display is dark, the display may not have power, or it may be malfunctioning. (You may need to scroll down.) Drag the Brightness slider on the right to adjust the brightness of your display. If your external display is not made by Apple, you may need to use its built-in controls and menu system to adjust brightness. How to connect Apple Cinema Display with "Mini DisplayPort" cable to Apple computer with no Mini DisplayPort? Is it possible, using some kind of adapter or converter, to connect an Apple Cinema Display that has only a Mini DisplayPort cable, to any Apple device that does NOT have a receiving Mini DisplayPort? Or is there some fundamental technical limitation that prevents this, so that no adapter or converter will ever make a successful connection, and the ONLY way to successfully use this type of Apple Cinema Display is to connect it with an Apple device that does have a built-in Mini DisplayPort? On your Mac, choose Apple menu > System Settings, then click Displays in the sidebar. ![]()
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