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We have come very far when it comes to computers since it has been many decades since the first computer was used at any place. You should know that the pace at which computers have evolved is surely remarkable and it has shown all those possibilities which were earlier thought to be not practical. Well, there used to be a time when a single computer with space in KB occupied the space of an entire room and now we have moved to the era of supercomputers. 

 

If someone will ask about the most powerful type of computer in the modern era then names like quantum and supercomputer will come to your mind for general people, the most powerful computer is surely Mac. There is a giant base of users relying on the powerful Mac since it is highly powerful and it runs flawlessly as well. But in some situations, you will have to deal with an issue where the Mac doesn’t boot and it shows the errors No bootable device. You don’t have to worry about this type of error as in this blog post, we are going to discuss how you can solve this simple issue with Mac in a detailed manner. 

 

Following are some of the most common reasons behind this type of error;

 

  • Mac might be trying to boot from Windows in the Boot camp partition rather than Macintosh HD. 

  • The storage device of the Mac system might be corrupt or it might be inaccessible as well. 

 

Here are some of the methods that you can use for fixing this common error in your Mac device. 

 

Choose the right boot drive 

 

Here are some of the steps that you can follow to get rid of the error of No Bootable device in Mac;

 

  • You will first have to force shut down your Mac device and for doing so, you will have to press the power button for a couple of seconds. 

  • Now, you will need to power on your device and then you will have to press and hold the option key on the keyboard. 

  • Then, leave the key when the startup manager option will appear. 

  • Now, you will have to simply select the startup disk and then choose the Arrow icon and finally press the Return button. 

  • This will help your Mac device to boot and after that, you will have to go to the Apple menu > System Preferences > Startup Disk.

  • Now, choose Macintosh HD as your default operating system. 

 

There are maximum chances that this will solve your issue of a No Bootable device. But if you are not able to get rid of the problem by following the above-mentioned steps then you will need to follow the steps mentioned below.

 

Erase Bootcamp partition and install windows 

 

This is another way of getting rid of the common error that usually appears in Mac. Following the below-mentioned steps for doing so;

 

  • First of all, you will have to boot your Mac just like we did in the previous method. 

  • Now, for launching the app, you will have to go to the Finder > Applications > Utilities > Boot Camp Assistant

  • Now, you will have to choose to Remove Windows 10 or a later version and then simply click on the Continue button. 

  • After that, you will have to click on Restore if your Mac has a single disk. 

 

Now, here are the steps that you have to follow if you are looking forward to installing Windows in the boot camp partition;

 

  • Click on the continue button after opening the Boot camp partition

  • If there is a single internal disk, then you have to click Windo ISO image. 

  • Now, simply move the driver between Windows partition and Macintosh for selecting the partition size and then choose Install. 

  • After that, you will just have to follow the instructions that will appear on the screen. 

  • When the installation will be finished, Mac will restart using Windows 

  • Finally, follow the instructions to complete the installation. 

 

The issue of No bootable device can be easily solved by following any of the two methods mentioned in this blog post. But if the issue still persists then you can contact an expert. 

How to fix the No Bootable Device Error on a Mac?

26 July 2021

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