NOTE: To reset NVRAM, you need to turn off the firmware password first.Īfter your Mac finishes rebooting, you might want to go to System Preferences to adjust settings that were reset. Hold these four keys for about 20 seconds. Turn it on and press the Option + Command + P +R four keys together immediately.The steps to reset the NVRAM and PRAM are the same. If these stored settings have issues, resetting might help. PRAM (Parameter RAM) stores similar information. This section could help macOS access them quickly. NVRAM (non-volatile random-access memory) is a small amount of memory in Mac that stores certain settings. Click The First Aid icon then click the Run button.Choose Disk Utility and click Continue.Note: You may be asked to select your language before you get to the recovery option. Release the keys when you see the Apple logo and you’ll see the “macOS Utilities” window.Restart your MacBook and hold the Command + R keys together immediately.Also, the stuck-on loading screen issue could be related to disk corruption. Recovery mode also could help you troubleshoot the problem on your MacBook. Your MacBook should restart normally afterward. Release the Shift key when you see the Apple logo on the screen, then log in.Restart your MacBook and hold the Shift key immediately.Shut down your Mac by pressing the Power button.
So booting up your MacBook in Safe Mode could help you fix the problem that causes your computer stuck on the loading screen. Safe Mode in macOS is designed to help users troubleshoot issues related to their computer. Pressing Shift+ Control + Option+ the Power keys at the same time and hold them for about 10 seconds.If the issue is related to the stored settings, resetting SMC could help you fix the problem. The SMC (System Management Controller) is a place to store certain settings.
How to fix a MacBook Pro that can’t mount its startup disk?Ĥ Fixes to a MacBook Pro That Can’t Mount Its Startup Disk. 5 If you have a recent backup, erase your startup disk and reinstall macOS.
4 Hold T to boot into Target Disk and access your data from a second Mac. 3 Open Disk Utility and run First Aid on your startup disk. 2 Bypass the Trash when you delete files with option+command+delete. Other times it gets even worse and your Mac might not even turn on.ġ Boot into Safe Mode by holding the shift key during startup. Sometimes it gets so bad you can’t delete files anymore, making it difficult to fix the problem.
Why is the startup disk on my MacBook Air so full?Īs the startup disk fills up, your Mac runs out of the precious free space it needs to keep working, and its performance suffers as a result. This is usually a hard drive that is physically inside your Mac. The startup disk is the hard drive where your computer’s operating system and applications are installed. How to free up space on your Mac startup disk Then use Disk Utility to repair your startup disk. If the issue persists, once again press and hold the power button until your Mac turns off. If your Mac is stuck on this screen Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off. Why is my Mac stuck on the loading screen? What should I do if my startup disk is full?.How to fix a MacBook Pro that can’t mount its startup disk?.How to clear the startup disk on a Mac?.Why is the startup disk on my MacBook Air so full?.Why is my Mac stuck on the loading screen?.