Download the loader, unzip it and put the image file (synoboot.img) directly on the desktop. 1 - If your flash drive is plugged, unplug it. 2 - Open terminal. Issue the following commands:   cd / cd ~/Desktop diskutil list   The last command should bring up the list of your drives. Below is what it shows on mine: TlMBP:Desktop Tl$ cd / TlMBP:/ Tl$ cd ~/Desktop TlMBP:Desktop Tl$ diskutil list /dev/disk0 #: TYPE NAME SIZE
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