So you’re in front of your shiny new laptop / netbook/ ultrabook / toaster, you’ve put Fedora 20 on a USB stick, filled up the progress guitar pick, only to be dropped to an emergency shell with errors like:
dracut-initqueue: Warning: Could not boot.
dracut-initqueue: Warning: /dev/disk/by-label/Fedora-Live-Desktop-x86_64-20-1 does not exist
Starting Dracut Emergency Shell...
Warning: /dev/disk/by-label/Fedora-Live-Desktop-x86_64-20-1 does not exist
Warning: /dev/mapper/live-rw does not exist
This dispiriting problem was solved in our case by simply typing the following at the dracut prompt:
Give it a try, and if that fails, try using the direct write (dd) method of live USB creation.