IIRC you should be able to use partition-to-disk and the option of the USB thumb drive will present itself.
No Dell Inspiron i7 laptop, but also with a 4 TB WD My Book hooked to it via USB 3.0 and powered.
Is this a desktop that you have the 84 distro's on?
No Dell Inspiron i7 laptop, but also with a 4 TB WD My Book hooked to it via USB 3.0 and powered.