Contents
When did my Mac last restart?
1) Click on the Apple menu and choose About This Mac. 2) Under the About This Mac window’s Overview tab, click the button System Information. 3) Click on Software in the lefthand column. 4) The time since last reboot is shown next to “Time since boot” in the righthand section.
Why did my Mac restart randomly?
Why does my Mac keep restarting? The most common cause of a Mac continually restarting is called “kernel panic.” This occurs when your Mac’s kernel, or operating system, detects an issue that can be fixed by restarting your computer.
What to do if your Mac restarted because of a problem?
1 Shut down your Mac. 2 Disconnect all peripheral devices, such as hard drives or printers. 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.
How can I find the reason for my Mac’s recent?
On newer macOS (macOS 10.12 and later) with the unified logging system, the processing of the text files doesn’t show the whole story, so use the log show command below: Of course, expand the time if your restart happened more than 24 hours in the past. After a while, you should see a message which contains a number indicating a reason.
Why does my MacBook Air keep restarting?
Unexpected restarts are usually caused by software installed on your Mac, or by devices connected to your Mac. If the issue causes your Mac to restart every time it attempts to start up, your Mac might eventually shut down.
How can I tell if my MacBook Pro has been rebooted?
Open up Terminal again, if it’s not already, and use the last reboot or last shutdown command. Just type them out one by one, then press return on your keyboard. The former logs every time your Mac was rebooted, obviously, and the latter when exactly it was shutdown.