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Mac not detecting usb drive
Mac not detecting usb drive








ie – disk2s2)Ĩ ) cp –R –p /Users/ /Volumes/usb/ (whereas is the user’s home directory. Im sure there are better ways, maybe the options or order of which I did things was not the best way, but I did what I could and got the job done.ġ) Attach USB external drive that already has HFS partitionĢ) Boot into single user mode: Command – S (Soon as you get command prompt, run the commands below)ģ) /sbin/fsck –fy (this is to check the filesystem and repair when necessary)Ĥ) /sbin/mount –uw / (mount root folder)ĥ) Mkdir /Volumes/usb (create folder to restore data to)Ħ) ls dev/disk* (find your USB drive partition usually the last one)ħ) mount –w –t HFS /dev/ /Volumes/usb (whereas is your usb drive.

mac not detecting usb drive

Read manual on cp to get more info, ie run: man cp I used the -R option so that all files and directories were copied, -v to see the progress, and -X so that I wouldnt run into permission problems. I used that line because of the fact that cp did not like files with spaces or any other special characters in them.

mac not detecting usb drive

Then I ran the following to copy all the files in the user dir to the usb drive.įor dir in /Users//* do cp -R -v -X "$dir" /volumes/usb done I needed to specify the file system to get that to work properly. Then mounted the drive to the volume i created: The drive was indeed the last drive listed. After that was done, I was able to view the usb drive by doing the ls /dev/disk* again. I ran into some error messages about diskarb, but after about 20 minutes they went away. Launchctl load /System/Library/LaunchDaemons/ Then booting up in single user mode (hold down command and s while powering up until the terminal starts) i ran the following commands:īecause I was not seeing the usb drive when running ls /dev/disk* I had to run the following: I was able to rely on LOTS of google, and my experience as an MCSE.įor anyone else that needs to know how I did it, I hope this is helpful for you.įirst, I installed macdrive ( ) on my windows machine to format my usb drive in the hfs format. Im sure an experienced mac user could have done it quicker, but I dont use macs nor do I have any experience troubleshooting.

mac not detecting usb drive mac not detecting usb drive

I spent almost 12 hours trying to figure this out.










Mac not detecting usb drive