HOW TO RESTART A MAC IN SAFE MODE HOW TO
For us, these steps helped fix the issue. How to Use Your Mac's Safe Mode Power on or restart your Mac, then immediately press and hold the Shift key as your Mac starts up. The MacBook Pro that we had problems with is fine and up and running like normal again. So there you go, some simple troubleshooting for your Mac in case it refuses to start up. Hopefully you can now troubleshoot your Mac
If so, you’ve just fixed the Mac but you should take a backup just as fast as you can, just in case. Your Mac should then reboot and hopefully it starts up without issues. Then when it has run through fsck and hopefully reported that all is well, you reboot the Mac by entering this, followed by enter: You do that by typing in the following, and enter. When it stops, you can run the command for checking the startup disk to see if it’s feeling okay. Like with verbose mode, you will see commands scroll by on the screen. To start in single-user mode, hold down Command + S when starting up your Mac.
HOW TO RESTART A MAC IN SAFE MODE MAC OS
Single-user mode is like verbose mode, but the Mac does not continue into the graphical part of Mac OS X. To disable it, you enter this in Terminal: If you wish your Mac to always boot in verbose mode, you can set it accordingly by entering the following in Terminal: To start in verbose mode, just hold down Command + V when you start up your Mac.
That, at least, gives you a better idea of where to start looking when troubleshooting. Chances are the last thing you see on the screen is where something messes up. The benefit is if something is not working, you are likely to see where it goes wrong. If all goes well, it continues into the graphical frontend of Mac OS X, just as normal. Verbose mode is a fancy way of saying that the Mac will startup with the command line showing, so you can see everything it does. Then you can let go.Īpple has a detailed description of this. To clear the NVRAM, and the settings it holds, hold down Command + Option + P + R (all four at the same time) when you start up your Mac, and hold them down until you hear the startup sound a second time. It will not erase any files, but it will erase settings for speaker volume, startup disk, monitor depth, and some other settings. Clearing the NVRAM (NV stands for Non Volatile) will erase some settings on your Mac. Try this first as it could fix the problem before you move on the other steps. It may help you too, at some point in the future. It was a MacBook Pro 15-inch that just had that gray screen and spinning wheel forever, not moving on to the next part of the boot-up process, whatever that was. That’s exactly what happened with one of the Macs in the Pingdom office. Have you ever had a Mac that didn’t want to start up? Perhaps it was stuck on that gray startup screen with a spinning wheel, without completing the process so you could log in and start working.
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