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![]() Is your brightness turned all the way down? You can go to the Apple tech specs page, select your Mac, and see the displays it supports. The general rule of thumb is that most modern Macs manufactured after 2013 will support such a high resolution (but not all of them). After you’ve first turned the external display on (because no one ever forgets to do that), here are some things you can check: Is the display supported?įor many 4K and 5K displays, you need to be using a Mac with a graphics card powerful enough to push that many pixels. ![]() It can also mean that there is a power issue, that the brightness is too low, or something else. ![]() Whenever your external display shows a black or other solid color, it typically means there’s a problem with the signal to the display, but not always. No picture – screen is black or another color With a gist of some of the things that could have gone wrong, do any of these sound familiar to you? If so, follow along as we talk about some potential fixes to these issues.
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