[Solved] Mac Keeps Restarting Issue

macOS is one of the most used operating systems around the world. Every operating system has glitches of its own and macOS is not an exception. There are many Mac users who have dealt with this error.

When you boot your Mac device, it can restart over and over on its own. This ‘Mac keeps restarting’ is a very annoying problem. Before you think to call in a technician to fix this error, you can apply some easy fixes. 

Go through some effective ways mentioned here to eradicate the error. But before going through the fixes, we have presented the causes behind ‘Mac keeps restarting’ issue. Let’s have a look at them.

Causes Behind Mac Keeps Restarting Problem:

There are several reasons behind this annoying error. You can notice that your Mac device is restarting over and over again. You may also notice an error message: ‘Your computer restarted because of a problem’. This Mac restarting loop has the following causes.

• If the Kernel fails to load properly.
• The Hard Disk Drive is out of space.
• Any connected device is causing the error.

We have mainly found these reasons. You need to fix the error with respect to the causes behind Mac keeps restarting issue. Let’s see what solutions you can try to fix this restarting issue.

Exceptional Solutions to Fix Mac Keeps Restarting Issue:

The fixes we have arranged here are widely used to recover Mac devices from this infinity restarting loop of Mac. You can rely on these following fixes to get a quick solution. 

Follow the fixes as they are arranged. We have arranged them from simple to quite complex. Hopefully, you’ll find these fixes helpful.

Fix 1: Remove All Connected Devices

This is the first thing you should apply for eradicating the error. If you ever had shared the Hard Disk of your Mac with someone, then you should go for this fix. 

Follow the steps discussed below to get rid of the error.

1. Turn your Mac device off by holding the power button for some time.
2. If you had connected any printer or hard drives, then disconnect them. 
3. If your Mac device is a desktop one, then don’t disconnect the keyboard, mouse or display. These are necessary components for your Mac device.
4. Now, turn your Mac device on. Check if restarts again after a certain amount of time.
5. If it does, then you can check the RAM if it is correctly placed.
6. If the Mac device hasn’t restarted, then you can restart your device. After that, connect all the peripheral devices to your Mac device.

Hopefully, the restart loop has disappeared from your Mac system. If you can notice the Mac pro keeps restarting, then go to the rest of the fixes listed below.

Fix 2: Run in the Safe Mode

Safe Mode uses the least amount of programs to run Mac device, hence it can be the ideal way to fix this issue. If your Mac Pro keeps restarting, then this fix can be helpful to solve this error. 

1. To launch the Safe Mode, you can take advantage of this restarting of your Mac. You need to press and hold the Shift key after you can listen to the chime. Make sure that you don’t press that Shift key before the chime sounds.
2. Check if the Mac system keeps restarting in this Safe Mode too. If not, then you can fix this error in this Safe Mode. You need to run the Disk Utility.
3. Choose ‘Verify Disk Permissions’ and then you need to select the ‘Repair Disk Permissions’ option.
4. Next, you need to follow these two options consecutively: ‘Verify Disk’ and ‘Repair Disk’. 

These steps will effectively solve the Mac Pro keeps restarting issue. If not, then check out all the rest of the solutions.

Fix 3: Update Software on your Mac

May be the error is occurring due to outdated software on your Macbook. You can opt for this fix if the above fixes didn’t solve the error. Follow the simple steps to eradicate the error as early as possible.

1. Go to the Dock and choose App Store.
2. Choose the Updates section and look for if there’s any update of any software installed on your Mac device.
3. Click on the Update All button to get all the updates of every software, if available. 

Now, check if the Mac restarting loop persists. If no, then you can skip all other fixes. If yes, then please continue to other fixes.

Fix 4: Erase Recently Added Software

Have you installed some software on your Mac device, recently? Then this recently added software can cause this problem. Thus, you need to follow this simple fix to get rid of this error.

1. Go to the Dock again and click on the Finder icon.
2. Choose Applications.
3. Find out that recently added software. You need to drag the icon of the software to the Trash icon.
4. If you have more than one software to delete, then you need to repeat all these steps.
5. Next, you need to right-click on the Trash icon and choose ‘Empty Trash’ option.

Reboot your Mac device and check if the problem is still there. 

Fix 5: Modify Corrupted Files

If all the above solutions haven’t solved the Mac keeps restarting issue, then you need to use this fix. Corrupted files can make your Mac device to restart again and again. You have to use the Disk Utility option to do so.

1. Go to the Dock and click on the Finder option. 
2. Choose Applications.
3. Next, you have to search for Disk Utility in the search bar at the top-right corner of your Mac screen.
4. Expand Disk Utility by double-clicking on it.
5. Choose Startup Disk from the left pane of the window. 
6. Opt for First Aid from the right pane of the window.
7. Next, you have to follow the on-screen instructions.

Afterward, you need to restart your Mac device and double-check if the error disappears.

Fix 6: Reinstall macOS

You must go through this fix if you haven’t found the solution to Mac keeps restarting issue. Follow the simple steps to reinstall the operating system. You can get a back-up of all your system data if you don’t want to lose them.

1. Press and hold Power+Command+R from the keyboard until you can notice the Apple logo or spinning globe. This will launch the macOS recovery section.
2. Select the Reinstall macOS option and click on the Continue option.
3. Wait until the process is over. Head towards the App Store and check if there is any update available under the Updates section.
4. Now, you can download all the third-party software. 

Check if the error persists still now.

Fix 7: Use Disk Utility

If none of the above fixes works on your Mac device, then this is the last fix that you can try. You need to install the macOS from the drive by using the Disk Utility tool. This may erase the error from your Mac device.

1. Launch the macOS Recovery section. 
2. You need to use Disk Utility to back your disk and load it to an external disk.
3. Remove all data of internal drive by using the Disk Utility tool.
4. Next, you have to install macOS from the internal drive.

Next, you can download the third-party applications from the App Store after the reinstallation is completed.

Hopefully, these fixes have helped you to recover the Mac restarting error. If you have any queries, then feel free to ask through the comments section. We will try to respond with appropriate solutions. Further, you can also provide your opinions in the comments section below.