Your computer was restarted because of a problem.Press a key or wait a few seconds to continue starting up. Your computer restarted because of a problem.Hold down the Power button for several seconds or press the Restart button. This is also known as kernel panic on Mac.Īll in all, the error messages of this issue are various, including: At times, the issue may be even worse like the message of your computer restarted because of a problem loops and you can’t normally restart your Mac. You may see an error message saying Your computer was restarted because of a problem or You shut down your computer because of a problem after your Mac starts up again. When there is a software or hardware issue on your Mac computer, the system will restart or shut down the machine unexpectedly. Phenomena & Reasons for Your Computer Restarted Because of a Problem Phenomena Your Computer Restarted Because of a Problem FAQ.#Fix 9: Disable Unnecessary Startup Items.#Fix 6: Use Apple Diagnostics to Diagnose Internal Hardware Issues.#Fix 5: Disconnect All Devices Except for an Apple Keyboard and Mouse.#Fix 4: Uninstall Plug-Ins or Enhancement Software Not from Apple.Phenomena & Reasons for Your Computer Restarted Because of a Problem.