apisunsky.blogg.se

Mac first aid unable to unmount volume for repair

#Mac first aid unable to unmount volume for repair Pc#
#Mac first aid unable to unmount volume for repair mac#

Solution 2: Run First Aid to fix the disk errorsįirst Aid is a utility included in Mac’s Disk Utility for checking and repairing file system errors. Luckily, you can try to repair the errors in Disk Utility too.

#Mac first aid unable to unmount volume for repair mac#

If the Mac still cannot mount the disk successfully, some disk errors might stop the disk from mounting. Select the non-mounting external hard drive.

But there is a possibility that the external hard drive needs mounting manually. In generally, macOS will automatically mount attached internal and external disks. After the operating system successfully mounts a storage device, the storage device like an external hard drive, an SSD, or USB flash drive and its files will be accessible to a user. Mounting is a process by which the operating system read, recognize, and process the file system structure and metadata on a storage device. Solution 1: Mount the external hard drive using Mount option To make the Mac mount the external hard drive successfully, try solutions below one by one. It means you won’t see the hard drive on the desktop nor in the Finder. If you are facing a greyed-out external hard drive, you probably have the same problem that the external hard drive doesn’t show up on Mac properly. If the disk is not successfully mounted, it will be greyed-out. For instance, you can use it to mount, unmount, partition, format a disk or a volume as well fix minor disk errors.Īll detected disks will be listed in the left panel in Disk Utility. Check Disk Utilityĭisk Utility is a built-in application on Mac which helps you manage internal and external storage devices. If you believe that everything works well but the external hard drive doesn’t work properly on the Mac, the next step is to go to Mac’s Disk Utility to fix the problem.

#Mac first aid unable to unmount volume for repair Pc#

Connect the external hard drive to another Mac or Windows PC to see if it is working correctly.Īfter all basic checks, you should know if the external hard drive is physically damaged and if the connection is trustworthy.

Change the USB cord or USB port to test if they are worn.

Push the USB cord into the USB port hard to make sure it is connected properly and firmly.

Solution 3: Format the external hard drive to make it workableīelieve it or not, the very first step for troubleshooting the problem is to check if there is a poor or even broken connection between the external hard drive and the Mac.

Solution 2: Run First Aid to fix the disk errors.

Solution 1: Mount the external hard drive using Mount option.