With the team of IT professionals, we always assure up to 100% recovery success rates. No logical or physical failure can render your data inaccessible when Techchef is always ready with professionals and dedicated tools. Techchef as an IT leader, providing the most precise and exceptional data care solutions with a wide range of customized solutions for corrupted, damaged or failed Macbook data recovery solutions. Macbook data loss? Not a big deal for techchef
To protect your files from Mac hard drive data loss, create updated backup data always to access your files. We can not predict when the hard drive can be encountered with errors. With professional skill sets and dedicated tools, complicated, hard drive problems can be resolved. When all Mac solutions fail to eradicate the error “couldn’t unmount disk”, get your Mac hard drive recovered by a professional. Start with “terminal application”>input “diskutil list” line, and a list of disks on Mac will show up>choose target disk to force unmount>input “sudo diskutil unmountDisk force /dev/disk” with correct disk number. Command lineĬommand-line in Mac can also prove to be a helpful solution when you need to eliminate this error. Start with mounting the drive on Mac and reboot it>while booting, hold the “option” key and select “attached boot drive”>in the boot menu, select “Disk utility”>go to “first aid” and check the disk>do the task on the original disk. You can boot a Mac on another drive which can be a USB drive too. Use a USB boot drive when the error occurs in the drive that has modified the boot drive. Reboot Mac>while booting press “option” key and select recovery partition> use disk utility from boot menu> select “first aid” or format the disk. Taking the case when this error message appears during “first aid” or non-boot disk, you can remove it with a recovery partition. Therefore, we have concluded four solutions for the error “couldn’t unmount disk”.
This error can show up due to modifications of the boot drive. Though, the “couldn’t unmount disk” may disturb the disk utility while repairing the disk and result in data loss. Undoubtedly, disk utility on Mac can be relied on for any logical issue in Mac hard drives.
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