macOS recognizes when it has been restarted without a proper shutdown or restart operation from the menu. When this happens, a dialog box at startup tells you that “Your computer has been restarted due to a problem” and offers to send a report to Apple. There are many reasons why your Mac might restart, including a power outage, and you usually know why this happened.
But for some people, every time they restart their Mac afterward, whether it’s using > Stop or > Restartthey see the same error. They know everything is fine, why not macOS?
This dialog should only appear on the first reboot after a problem.
This dialog should only appear on the first reboot after a problem.
Apple
This dialog should only appear on the first reboot after a problem.
Apple
Apple
The response is a diagnostic file that may be left behind in rare circumstances after the problematic reboot is resolved. You can fix this problem quite easily:
- In Finder, choose Go > Go to folder.
- Enter exactly the following and press Return:
/Library/Logs/DiagnosticReports - Search for any file starting with the word
Sleepand ending with.diag - Delete these files and empty the Trash (Finder > Empty Trash).
On your next regular reboot, the alert will not appear.
This Mac 911 article responds to a question submitted by igamesnews reader Henri.
Ask Mac 911
We’ve compiled a list of the questions we get asked most frequently, along with answers and links to columns: read our super FAQ to see if your question is covered. Otherwise, we are always looking for new problems to solve! Send yours to [email protected], including screenshots where applicable and if you would like your full name used. Not all questions will be answered; we do not respond to emails and cannot provide direct troubleshooting advice.
