How to reformat a usb drive on a mac can not unmount

#HOW TO REFORMAT A USB DRIVE ON A MAC CAN NOT UNMOUNT HOW TO#
#HOW TO REFORMAT A USB DRIVE ON A MAC CAN NOT UNMOUNT INSTALL#
#HOW TO REFORMAT A USB DRIVE ON A MAC CAN NOT UNMOUNT PRO#

So my final thought is now that I have to clean everything from this drive as it seems there is something broken on a very low level and i would assume that completely wiping it will result in my diskutil to install a complete new partition scheme and everything on the drive so it will eventually start working again. Underlying error: 5: POSIX reports: Input/output error Im getting this error message now: Error: -69759: Securely erasing data to prevent recovery failed

Nothing of it worked, so I decided to use terminal for it (im just getting used to terminal/bash, so im a complete newbie at this) and tried the commands (all with sudo and diskutil in front of them ofc) repairDisk, reformat, partitionDisk, eraseDisk or zeroDisk, but nothing worked. I already tried to repartition, reformat and erase the stick with the Mac Disc Utility and I tried to format it on windows. I guess he just removed the stick while formatting or so.

I just got a stick from a friend which seems to be damaged but it isnt a physical defect. If you unmount and disconnect a disk and then reconnect the disk later, Disk Utility rebuilds. Disconnect the disk member that you want to unmount. Click the Unmount button in the toolbar or beside the disk set name. Just a little information about the situation: In the Disk Utility app on your Mac, select the disk set that you want to unmount in the sidebar. Search for DisksД¬lick to open the app and you will notice that it automatically displays the вЂNot MountedвЂ™ status for connected USB devices.Is there a command for the apple terminal to brute force a wipe of everything including all partitions, master boot records, and data on a usb flash drive? Open the Activities overview from the top left corner and search for the вЂDisksвЂ™ application. Here, IвЂ™ll guide you to mount/unmount a USB drive on Ubuntu using the GUI application. Several Linux distros already offer GUI applications for the same. Mounting an external drive or USB flash drive using the GUI application is pretty straight forward.

#HOW TO REFORMAT A USB DRIVE ON A MAC CAN NOT UNMOUNT HOW TO#

How To Mount USB Drive On Ubuntu Using GUI You can follow our article on how to automount partitions on boot. But if youвЂ™re again unable to access your USB device, you can either perform the same steps or manually set the device to automount. It's a fairly simple process that shouldn't take more than a few seconds. In El Capitan, Disk Utility looks slightly different, as you can see below. Formatting a USB Drive entails a lot more than simply making your USB Drive compatible with your OS. What Disk Utility looks like in Lion through Yosemite. Note: Most Linux distros configure the settings to automount the same USB drive to the system for future use. Then proceed to highlight your computer's hard drive select the Erase tab, make sure OS X Extended (Journaled) is selected, then hit the Erase button. You can see that the mount point has been removed and you can again no longer access your USB drive. Unmounting the USB device is just a one-line command using вЂumountвЂ™: sudo umount /media/pendrive Running command to detect the mounted USB device cd /media/pendrive/ How to Unmount USB Drive In Linux Using Command Line So, navigate to the directory (mount point) where you can access your drive data. The process of reformatting it will wipe all the data from it. Make sure it has no files on it that you need. Open a new Finder window and click on the drive.

#HOW TO REFORMAT A USB DRIVE ON A MAC CAN NOT UNMOUNT PRO#

Sudo lsblk The device is mounted at a mount pointДЄs you can see, the USB drive вЂsdbвЂ™ now has a mount point which means it is mounted at that location. Plug the drive into a USB socket (if you have a recent MacBook or MacBook Pro that only has USB-C connectors, youвЂ™ll need a USB-C to USB-A adaptor).

How to reformat a usb drive on a mac can not unmount