How to mount USB disk or an External Drive in Single User Mode on Mac?. This video is an instructional video for those who have lost control on their Mac and it not booting up. Mac boot process stuck at Apple Logo with a loading bar on grey screen - http://www.hawkdive.com/2017/09/mac-stuck-on-gray-screen-with-apple-logo-during-boot.html
After watching this Video you will learn how to mount a USB drive in Single User mode on Mac and how to copy data over to an external drive from internal disk of Mac in Single user Mode. Single user mode command to mount any USB drive or USB disk. For details refer to the article http://www.hawkdive.com/2018/03/mount-usb-external-drive-in-single-user-mode-mac.html to read all the steps to Mound a uSB disk or external drive in Single User Mode on Man and then copy all the important data from Mac to an external USB disk in Single user mode.
For a detailed information on Mount command in Mac- Read Man page of Mount command - https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man8/mount.8.html
The Single User Mode is the only way to boot a Mac when it can not boot in normal Mode or when the System is almost dead or having severe boot related problem.
Boot your Mac in Single user mode.
Type command ls /dev/disk* to note down all the disk drives name.
Connect the USB disk and type the same command again and note down the USB drive name.
Type command fstyp /dev/disk4s1
Read more at http://www.hawkdive.com/2018/03/mount-usb-external-drive-in-single-user-mode-mac.html
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