What to do when your MacBook is stuck on loading bar?
With the computer shut down, turn it on and hold down Command + S to launch a command shell. Give it a few minutes until it doesn’t load anything else on the screen. See if this boots you back into the system.
What to do if your Mac starts up to a blank screen?
Learn what to do if your Mac starts up to a circle with a line through it (prohibitory symbol). Learn what to do if your Mac starts up to a question mark. Learn what to do if your Mac starts up to Options with a gear icon. Learn what to do if your Mac starts up to a blank screen, such as an empty gray, black, or blue screen.
Why is my MacBook Pro loading bar twice?
Release the Shift key when you see the login window. If your startup disk is encrypted with FileVault, you might be asked to log in twice: once to unlock the startup disk, and again to log in to the Finder.
What to do if your iMac has a Bad Cache?
If you follow these steps EXACTLY, a bad file named “mbr_cache” will be rebuilt and your Mac will reboot successfully (slowly the first time as the rebuild happens, then normal speed after that). This solution worked on my 2011-vintage 21-inch iMac (iMac 12,1) with Mac OS High Sierra.
What to do if your MacBook is stuck on the Apple logo?
If you think you’ve waited long enough to know that your Mac is stuck on this screen, follow these steps. Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off. Then turn your Mac back on. If the issue persists, press and hold the power button until your Mac turns off.
What to do when your MacBook Pro wont turn on?
Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off. Then turn your Mac back on. If the issue persists, press and hold the power button until your Mac turns off. Then unplug all accessories from your Mac, including printers, drives, USB hubs, and other nonessential devices.