Mac Shows a Circle with a Line at Bootup

Mac Shows a Circle With a Line at Bootup, What Is It?

24/06/2022

A prohibitory sign or a circle with a line through it is an indication of something restricted or blocked from accessing a certain way. While this sign delivers a negative message, it also alerts you something might be wrong. Perhaps, you have already seen this sign somewhere but never on your MacBook, in this case, users boot up the Mac as usual but only to find the Mac shows a circle with a line through. What is it and how to fix this bootup issue? This post may shed some light on the problem.

What is a Prohibitory Sign?

It’s most likely that a circle with a line through it shows up on your Mac after a system upgrade. Due to compatibility errors, the macOS does detect an operating system in your computer but fails to boot up your Mac with it. Of course, there are possibly other reasons behind this sign showing up on your MacBook. However, it is wise not to freak out or run to the IT professionals immediately since there is something you can do to unfreeze Mac under this condition with proper guides. 

How To Fix The Prohibitory Sign on MacBook?

Before diving into the solutions, there’s one thing to be worried about, which is the data in your MacBook. To protect your data, a professional data recovery application is definitely a handy tool. iBoysoft data recovery software offers a wide range of functionalities and options to its users. And if you are using a Mac, you will be able to protect your data as well as recover your lost data conveniently. Therefore, while you are trying to fix your prohibitory sign in MacBook, it is prominent that you have the iBoysoft data recovery application at your hand before dealing with your Mac. Now you can move on to fix the prohibitory sign.

Shutdown The Mac And Boot It Into Recovery Mode

Turn off your MacBook by pressing the start button by force. Then make use of the Command + R keys from the keyboard and you’ll find the macOS Utilities menu present in front of you.

Repair The System Drive

At the very beginning, try to fix the disk from the ‘Disk utility’ option and when you enter the window, you should see First Aid at the top of the menu. Click on your system drive and select First Aid for help. This would possibly fix minor errors. 

Reinstall The MacOS To Boot Up Normally

If your MacBook has huge damage or corruption and the First Aid fails to save it, the last thing you can try is to reinstall the macOS. Click on Reinstall macOS from the menu and follow all instructions. Pro Tip: In order to be sure about this you can just install the macOS on an external hard drive and try accessing the internal hard drive into this through this. However, if you cannot access it, here comes the role of iBoysoft Mac data recovery software. Using this reliable and best data recovery software you will be able to recover all your lost data if the disk is severely damaged.  

Is this something you should stress about?

Don’t stress too much because of the problem or the instance you are in, many other users have faced the same and gone through it. Since it is happening frequently to many users, Apple considers this to be a bug or sudden system crash; therefore, provided the following solution:

  • Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off.
  • Turn on your Mac and immediately press and hold both Command + R to start up from macOS Recovery. 
  • After entering the macOS Recovery mode, make the use of Disk Utility to repair your startup disk with First Aid.
  • If Disk Utility found no errors or repaired all errors but the system still boots up to the prohibitory sign, reinstall macOS.

If you still need help, you may contact Apple Support or find a local technician for help.

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