I've used the "Disks" utility to zero out a USB flash drive (pendrive). Now it's not showing up anymore as a usable storage medium.
I need to use this usb drive (of 4 GB) again to write an OS image to it to re-image an old laptop, however I can't seem to do anything with it at this point.
Where do I go from here? I have no clue where to start looking for a solution.