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#COULD NOT UNMOUNT DISK MAC EXTERNAL HARD DRIVE FULL#
#COULD NOT UNMOUNT DISK MAC EXTERNAL HARD DRIVE PASSWORD#

My personal favourite of them all is Sloth, from here. Thank you to everyone who has suggested alternatives, particularly apps. With a bit of luck, these should provide sufficient clues as to what’s preventing ejection, thus what you can do about it.

#COULD NOT UNMOUNT DISK MAC EXTERNAL HARD DRIVE FULL#

the full path to the file or directory.the type, DIR meaning directory, and REG meaning a regular file.

33 r is opened for read access only, while 35 u is opened for read and write access

the open mode, as the single character following two digits, e.g.

an abbreviated name of the command associated, here mds, the Spotlight metadata server.

The information given about each open file contains, from the left: This needs to be run using sudo, as otherwise you won’t see any files which are opened by processes running as root, which are most often the offenders.īut lsof is capable of doing its own filtering. Which are the files and directories open on that volume. Mds 100 root 33r DIR 1,38 192 2 /Volumes/External2

#COULD NOT UNMOUNT DISK MAC EXTERNAL HARD DRIVE PASSWORD#

Once you’ve entered that, type your admin user password at the prompt, and you’ll see a list with entries like To discover which files are open on any volume, use the command Don’t just pull the cable of an external disk: not only will your Mac complain, but you could end up damaging the contents of that file, or even the file system on that volume. What you really want to know is which file(s) are open on the volume, so you have a clue as to what to quit to enable the volume to be ejected cleanly. When it has occurred in the Finder, solutions are harder to come by. It’s also worth double-checking the volume that you’re trying to run First Aid on: if it’s one of the current boot volume group, System or Data, then you’re probably better off doing this in Recovery mode anyway. This seems to be improving steadily, and less likely to occur in Big Sur than Catalina, for example. It’s unusual for this not to work at all, although it may take a couple of attempts. In Disk Utility, the answer seems to be to try again, several times if necessary. Not only can you encounter this in the Finder, but it can also prevent running First Aid in Disk Utility, which may report that it couldn’t because it was unable to unmount the volume you want checked. “Hard drive of my Mac computer is not mounting properly and hence I cannot view any files present in it.Among the rough edges in macOS is that infuriating message you may see when you try to eject or unmount a volume: it failed because the volume is in use. I can clearly see the drive in ‘Disk utility’ but it doesn’t shows up on Mac Finder. It would be grateful if I get any useful suggestions related to this problem. Mac is the excellent operating system which provides many features to save manage and organize your files. But occasionally Volume created on your Mac might fail to mount. Generally when you open Mac Finder to access the information from Mac volume, Mac finds for the file system which has been assigned to the specific drive and if it fails to find file system, then it could not access volume and you will find Mac hard drive in unmountable state. Choose “English” option from the language menu when asked and then press on “Disk utility” option from menu to run it.Hit and hold “C” key when your Mac computer is rebooting to start the computer from installation disk.Select “Restart” option in order to reboot Mac computer First of all insert operating system installation disk into the disk tray and click on “Apple” icon on your computer’s menu bar.But to run “Disk Utility” you should have OS X installation disk that comes up with Mac computer.įollow below given procedure to make the hard drive mountable on your Mac computer: However, Mac is equipped with “Disk Utility” feature that will allow you to fix issues related to Mac hard disk.