Top 7 Ways to Fix Mac Restarting Due to Problem

Most Mac users put their devices to sleep instead of shutting them down completely. But it would be strange if your Mac restarts randomly. The macOS displays the “Your Mac has restarted due to a problem” popup when it restarts. The alert does not give further details about what happened. If it happens too often, here are the best tricks to fix Mac restarting due to a problem.

It takes longer to get back to work when Mac restarts from scratch. The behavior is even more irritating when the device reboots in the middle of working. Before such behavior wastes more hours of productivity, let’s fix the problem once and for all.

1. Use Safe Mode on your Mac

When you use your Mac in Safe Mode, the device boots without login items, system extensions, and fonts not used by macOS. The practice will perform a basic check of your startup disk and remove system, font, and kernel cache. In short, Safe Mode will help you understand if this is happening with apps or services that are set to launch on startup. Here’s how to use Safe Mode on Mac.

Step 1: Click on the small Apple icon in the upper left corner and select Restart.

2nd step: Immediately press and hold the Shift key as your Mac starts up.

Step 3: Release the key when you see the login window.

Step 4: The system may ask you to log in again. You will notice the message “Safe boot” in the upper right corner.

The above steps apply to Macs with Intel processors. If you have a Mac with Apple Silicon, you can follow the steps in Apple official website and enable safe mode.

If the Mac restarting problem does not continue in Safe Mode, you can exit Safe Mode by restarting the Mac and start using it normally. If you still notice the Mac restarting problem, one of the startup items must be causing the problem.

2. Disable Login Items on Mac

Any issues with login items when starting the Mac can cause random restart issues. If you don’t need a specific app or service when you start the Mac, you can disable it from the System Preferences menu.

Step 1: Click the Apple icon in the upper left corner.

2nd step: Open the System Preferences menu.

Step 3: Access the Users and Groups menu.

Step 4: Swipe to the Login Items menu.

Step 5: Select a login item you want to disable. Click the ‘–’ button at the bottom if you want to remove completely.

3. Reset NVRAM or PRAM

When you reset NVRAM or PRAM, macOS resets system information and restores default settings on your hardware. The trick is useful for fixing minor issues on Mac. Follow the steps below to reset NVRAM on Mac.

Step 1: Select the small Apple logo from the menu bar.

2nd step: Click Stop.

Step 3: Wait about 30 seconds and turn the Mac back on.

Step 4: Hold down Option + Command + P + R for about 20 seconds and release them after you hear the startup sound.

Start using your Mac as usual and you won’t notice any random restarting issues.

4. Check Devices

Any of the connected USB, HDMI, or hard drive can cause reboot issues on Mac. Here is how you can confirm and fix the problem.

Step 1: Shut down the Mac (refer to the steps above).

2nd step: Disconnect all peripherals such as SSD, printer or hard drive. If you’re using an iMac or Mac mini, connect only the keyboard, mouse, and monitor.

Step 3: Turn on the Mac and start using your Mac as usual.

If you no longer notice the restart error, connect one device at a time until you experience the same problem. Confirm the issue with the third-party hardware and find an alternative.

On the other hand, if you notice restart error even after removing all peripherals, you should check RAM and third-party hardware.

Some Mac models come with removable memory. If you’ve installed RAM or a new SSD in your Mac, make sure it’s compatible and installed correctly.

5. Free up disk space

This mostly applies to Macs with 256 GB of storage. When you are dealing with low storage on your device, you may encounter random reboot issues in day-to-day tasks.

All Mac apps collect cache data in the background to improve load times and speed up frequent tasks. Plus, you might not be used to emptying the trash either. You can either manually delete the fake files on the Mac or use third-party software like CleanMyMac X to do the job. Here we will use CleanMyMac X.

Step 1: Download CleanMyMac X on Mac using the link. It costs $29 as a one-time payment.

2nd step: Open the app and select Smart Scan from the left sidebar.

Step 3: Hit the Scan button and it will find all junk files from Mac to remove.

Delete irrelevant files from the Mac and you won’t have reboot issues.

6. Update macOS

If the Mac restarting issue is a widespread issue, Apple will release a hotfix. You need to download and install the latest macOS update from the System Preferences menu.

Step 1: Click the Apple icon in the upper left corner of the menu bar and open the System Preferences menu.

2nd step: Access the Software Update menu and install pending operating system updates.

7. Contact Apple Support

Mac restarting due to a problem could be due to hardware damage. If none of the tricks work, you should make an appointment at the nearest Apple Store and have your Mac checked by experts.

Enjoy the Flawless Mac Experience

Although macOS is one of the reliable operating systems, issues like random reboots can leave you in a bad mood. What trick helped you solve the problem? Share your findings in the comments section below.


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Steven L. Nielsen