4 Methods to Fix iMac Screen Goes Black

When you got a new iMac, it must run well and there were no problems. But as it is older, more and more problems will appear. For example, some users said, their iMac screen goes black suddenly when they are using iMac. 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.

iMac Screen Goes Black

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. 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.

Part 1: Why iMac Screen Goes Black

Actually, there are many reasons why your iMac screen goes black. And the situations of going black between different iMac are different. First of all, we want to list some situations of iMac screen goes black for you. You can refer these situations and check your own scenes.

  • The first case you will meet is your iMac screen goes black randomly. And when your iMac screen goes black, your Mac will turn off automatically. When you restart your iMac, it will be right. If your iMac is in such a case, you won't worry about it.
  • 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 you have such a problem, it can be a trouble for you.
  • 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. In this situation, your computer doesn't turn off, it means the system runs still in background. And if you left it alone, it will go to sleep and can be awaken as if nothing happened. But later, your iMac screen will go black again.

These scenes we mentioned above are not all the situations you will meet. There are still many different situations of iMac screen goes black. If you face such a problem, you can follow the next steps to fix this issue.

iMac Screen Goes Black

Part 2: How to Fix iMac Screen Goes Black

Method 1: Fix iMac Screen Goes Black by Restarting Your iMac

If it is the first time you meet your iMac screen goes black, you can try to restart your iMac to fix this problem. It may be caused by some stuck and so that your screen goes black or other color. The easiest way to test and fix such a problem is restart your iMac.

To restart your iMac, just press Control + Command + Power button to restart it.

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. But if your iMac screen goes black again, restarting iMac can't fix this issue and the problem is more serious. And you may need to try to other ways to fix it.

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.

Restart iMac

Method 2: Fix iMac Screen Goes Black by Resetting NVRAM

The first way we want to recommend to you to fix your iMac screen goes black by resetting NVRAM. 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. If you experience issues related to settings stored in NVRAM, resetting NVRAM might help. Just follow the next two steps to fix your iMac screen goes black.

Step 1. If your iMac is still running, shut it down firstly. Then you need to make sure the AC adapter is connected to your Mac. It is important for you to fix your iMac screen goes black.

Step 2. Now start your iMac and then press command + option + P + R simultaneously on your keyboard. When you hear the open sound four times, you are allowed to release these options and your iMac screen will be normal.


Method 3: Fix iMac Screen Goes Black by Resetting System Management Controller

If the first way doesn't work, don't worry. You can try to reset SMC. The System Manager Controller is also called SMC, which is responsible for some low-level functions on Intel-based Mac computers. If your iMac screen goes black, you can try to fix this problem by resetting System Management Controller.

Step 1. First of all, shut your iMac down. After your Mac shuts down. Just press shift + control + option + power button at the same time for one or two seconds.

Step 2. Then release these keys and start your iMac by pushing power button. And you will find your iMac screen is normal now.


Method 4: Fix iMac Screen Goes Black by Contacting Your Local AASP for Help

If all the ways we mentioned above can't help you solve your iMac screen goes black, you may need some professional experts to help you fix this problem. Of course they will know more about the iMac than us and can help your fix your iMac screen goes black more quickly and professionally. To do this, you can go to the official website to contact your local AASP and ask them for help. The website address is :


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Part 3: FAQs of iMac Screen Going Black

Why does my Mac screen flicker on full screen?

The flickering screen seems to be appearing on retina and non-retina screens when using Terminal, or when graphics are enabled or disabled.

Why is my MacBook Pro screen changing color?

It might be caused by ambient light compensation which apple tied in with automatically adjust brightness some time ago.

Why is my iPhone screen black?

This is probably due to a hardware problem with your iPhone.


In this article, we list some methods to help you fix iMac screen goes black. When you finish reading the passage, you must know how to quickly and safely fix iMac screen goes black. And if you face similar situation next time, you are experienced in fixing your iMac. Hope you enjoyed this article. If you have other good methods to fix this problem, just write them down in comments.

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