Your Mac restarted because of a problem

What to do if your computer restarts or shuts down unexpectedly, or you get a message that your computer restarted or shut down because of a problem? Most important is at first back up your data asap, because you may require to format and reinstall the Operating system. Sometimes it resolves the problem if it’s a software issue. If it’s still not resolved the problem then there would be a hardware issue. Before you go that far please try the following steps, or book an appointment to visit our support center

Unexpected restarts of your Mac

Your Mac might experience a software or hardware issue that requires it to restart. When it starts up again, you might see a message that your computer was restarted because of a problem.


Your Mac restarted because of a problem
Your Mac restarted because of a problem

Software installed on your Mac or devices connected to it can usually cause unexpected restarts. If the issue causes your Mac to restart every time it attempts to start up, your Mac might eventually shut down. Use the steps below to check the software and hardware on your Mac.

Check your Mac’s software

If the issue is caused by software on your Mac, one of these steps might help:

Check your Mac’s hardware

How to check your connected devices and other hardware.

Check peripheral devices first

If you don’t have any devices attached to your Mac, skip to the next section.

  1. Shut down your Mac.
  2. Disconnect all peripheral devices, such as hard drives or printers. Make sure you only have a display, keyboard, mouse, or trackpad connected if you have a desktop Mac.
  3. Turn on your Mac.
  4. Use your Mac for the amount of time that it would usually take for an unexpected restart to occur.
  5. If an unexpected restart occurs, follow the steps to check the internal RAM and third-party hardware.
  6. If an unexpected restart doesn’t occur, turn off the Mac and connect one peripheral device at a time until an unexpected restart occurs.

Check RAM and third-party hardware

Certain models of Mac computers have removable memory (RAM). If you’ve recently installed memory or a hard disk (or SSD), make sure that it’s compatible and installed correctly. If possible, remove it and test with the original memory or disk.