Sunday, August 12, 2012

Reconnect an ejected USB HDD in a Mac

Sometimes you realize that a file that you need is in an external USB HDD that you just ejected. Of course the external USB is still connected to your USB port. So what would you do to make the USB HDD reappear in your connected drives? Of course, you can physically disconnect the external USB HDD and re-plugin it. But that sounds stupid because the device is already connected to your machine. Just open a terminal and first find out what is the number of your disk by,

$ diskutil list

This will list up all your disk. Let us assume the external USB HDD that you want to reconnect is disk1 (by the way your inbuilt HDD will be disk0), do the following,

$ diskutil mountDisk disk1
Thats it! No more physical unplugging and replugging... 
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