Just press shift + control + option + power button at the same time for one or two seconds. If your iMac screen goes black, you can try to fix this problem by resetting System Management Controller.
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The System Manager Controller is also called SMC, which is responsible for some low-level functions on Intel-based Mac computers. If the first way doesn't work, don't worry. Method 3: Fix iMac Screen Goes Black by Resetting System Management Controller When you hear the open sound four times, you are allowed to release these options and your iMac screen will be normal. Now start your iMac and then press command + option + P + R simultaneously on your keyboard. It is important for you to fix your iMac screen goes black. Then you need to make sure the AC adapter is connected to your Mac. If your iMac is still running, shut it down firstly. Just follow the next two steps to fix your iMac screen goes black. If you experience issues related to settings stored in NVRAM, resetting NVRAM might help. NVRAM is the short name of nonvolatile random-access memory, is a small amount of memory that your Mac used to store certain settings and access them quickly. The first way we want to recommend to you to fix your iMac screen goes black by resetting NVRAM. Method 2: Fix iMac Screen Goes Black by Resetting NVRAM Restarting iMac will clear iMac cache, and enable your iMac to come back to a point, which iMac is not going black for some reasons. And you may need to try to other ways to fix it. But if your iMac screen goes black again, restarting iMac can't fix this issue and the problem is more serious. If you successfully restart your iMac and during the using process, it won't go black again, that means your iMac doesn't have some big troubles. To restart your iMac, just press Control + Command + Power button to restart it. The easiest way to test and fix such a problem is restart your iMac. It may be caused by some stuck and so that your screen goes black or other color. If it is the first time you meet your iMac screen goes black, you can try to restart your iMac to fix this problem.
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Part 2: How to Fix iMac Screen Goes Black Method 1: Fix iMac Screen Goes Black by Restarting Your iMac If you face such a problem, you can follow the next steps to fix this issue. There are still many different situations of iMac screen goes black. These scenes we mentioned above are not all the situations you will meet. But later, your iMac screen will go black again. And if you left it alone, it will go to sleep and can be awaken as if nothing happened. In this situation, your computer doesn't turn off, it means the system runs still in background. There is another scene you may have is that your iMac screen goes black suddenly, when you are doing something on Mac, such as watching movies on your Mac.If you have such a problem, it can be a trouble for you. The second case you will meet is that no matter how many times you try to restart your iMac, the screen of iMac is still black.If your iMac is in such a case, you won't worry about it. When you restart your iMac, it will be right. And when your iMac screen goes black, your Mac will turn off automatically. The first case you will meet is your iMac screen goes black randomly.You can refer these situations and check your own scenes. First of all, we want to list some situations of iMac screen goes black for you. And the situations of going black between different iMac are different. FAQs of iMac Screen Going BlackĪctually, there are many reasons why your iMac screen goes black. Part 2: How to Fix iMac Screen Goes Black.But do you know how to fix iMac screen goes black? If you have no idea, just read this article and follow the next steps to solve this problem. If iMac goes black, it will happen again and again, which might not affect the system, but it should still be annoyed to have the problem.
When you face such a problem, will you feel panic and anxious? Solving it at once is the most important thing you need to do. For example, some users said, their iMac screen goes black suddenly when they are using iMac. But as it is older, more and more problems will appear.
When you got a new iMac, it must run well and there were no problems.
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