

It can detect and try to repair the errors in partition map, device driver, boot blocks, master directory block, volume bitmap, etc.

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. 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.
#Repair external hard drive mac vs windows how to#
Related How to Build Customer Loyalty and Get Positive Feedback for Your AppĪll detected disks will be listed in the left panel in Disk Utility. For instance, you can use it to mount, unmount, partition, format a disk or a volume as well fix minor disk errors. 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.
#Repair external hard drive mac vs windows Pc#
