How to resolve couldn’t unmount disk MacBook air

Sometimes it becomes very important to partition the Mac Hard disk to store or to install various types of applications and tools on your computer. If you are using MacBook Air on your Mac computer then it is very much required to partition the hard disk to run the operating system smoothly. So when you attempt to partition the hard disk using disk utility then you can get “couldn’t unmount disk MacBook air” on the screen of your computer. It also comes to you during verification and repair and during formatting. This is a very critical situation and it must be resolved as soon as possible. With the help of some manual methods you can resolve the problem very easily. But sometimes due to the lack of technical knowledge you usually harm the computer data during the manual process. So you can use MacKeeper Tool to fix the issue automatically.


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Causes –

Many causes are responsible for the occurring of “couldn’t unmount disk in MacBook air” like modification of the Boot drive that is to be partitioned, virus infection, conflicts among various applications, corruption or damaging in the hard drive, etc.

How to resolve the issue of “couldn’t unmount disk in MacBook air” –

  1. First of all reboot the MacBook Air pressing and holding down the option key and choose the Recovery partition.
  2. Go to the boot menu and select the Disk Utility.
  3. If you want to format the disk then go to “Erase”.
  4. If you want to repair the disk then you should go to “First Aid”.
  5. You can also use an external USB device for the partition.

At the end of the manual method you will be able to fix the issue of “couldn’t unmount disk MacBook air” very easily. But if the prompting of the error code is still happening in the computer then you must use MacKeeper Tool to fix the issue automatically.


Download MacKeeper Software To Fix Mac Error – 100% Tested and Virus Free Tool

MacKeeper Tool is highly modified and advanced tool that is specially designed to fix the error issue in the Mac Operating System. The tool supports every version of the Mac OS and iOS devices. You can optimize the speed and performance of the system by using this tool amazingly after the full scanning of the Mac computer with this tool.


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