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Why does my Mac shut down when I log in?
This “feature” seems to have been introduced in OS X Yosemite and has continued through at least OS X El Capitan—and most likely MacOS Sierra. If a Mac is started, and there is no login within a couple minutes, it will shut down. This is really bad from a remote perspective.
How to enable or disable the root user on your Mac?
Enable or disable the root user. Choose Apple menu () > System Preferences, then click Users & Groups (or Accounts). Click , then enter an administrator name and password. Click Login Options.
How to disable auto login on MacBook Pro?
See this guide on how to enable or disable automatic login on macOS: Fix username greyed out for automatic login. This will open up the Security and Privacy window as shown below. I hope you found this blog post helpful.
Is there a way to prevent auto shutdown a?
Reset the SMC: Reset the System Management Controller (SMC) on your Mac – Apple Support. Excerpted from the above: After you perform normal troubleshooting, these symptoms might mean that an SMC reset could be necessary: The computer sleeps or shuts down unexpectedly.
If so this might be because of an old or overused hard drive (it might be failing). One thing you can try is to hold down command-shift-option and turn your computer on at the same time, keep holding these buttons down until you see your login screen, then you can try to login as normal.
Why did my Mac just suddenly turn off?
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. Use the steps below to check the software and hardware on your Mac.
Why is my MacBook Pro stuck after I Enter my Password?
The mac starts up fine and goes to the login screen. After I enter my password the progress bar is stuck in 70%-80% and sometimes at 100%. I tried resetting NVRAM and SCM but it didn’t help. I also tried following the steps mentioned in Justin Silver’s blog post but it also didn’t help.
What to do when your MacBook Pro shuts down?
When FileVault is disabled and your drive is decrypted, restart your Mac. Hold the Command – R keys down at the boot chimes to load your Mac into Recovery Mode. Open Disk Utility and use it to run a Repair Disk routine, available in the First Aid tab when you select your hard drive.
Why is my MacBook Pro not working properly?
For last 2 days I am not able to login to my MacBook Pro. It was working fine and suddenly for no reason after I last shutdown my mac I am not able to login. The mac starts up fine and goes to the login screen.
Why do I have to log in twice on my MacBook Pro?
The only difference is that you’ll probably be asked to log in twice: once to unlock the startup disk, and again to log in to the Finder. Let go of the Shift key when you see the login window (NOTE: Since you have FileVault enabled you may need to log in twice).